[PATCH] cxgbi: bug fixes and code cleanup From: Karen Xie <kxie@xxxxxxxxxxx> The patch includes the following changes. - removed un-used code - renamed alloc_cpl() to alloc_wr(). - fixed connecting over VLAN. - updated cxgb4i connection setting and pagepod programming. Signed-off-by: Karen Xie <kxie@xxxxxxxxxxx> --- drivers/scsi/cxgbi/cxgb3i/cxgb3i.c | 65 ++++++++++++++----- drivers/scsi/cxgbi/cxgb4i/cxgb4i.c | 126 +++++++++++++++++++----------------- drivers/scsi/cxgbi/cxgb4i/cxgb4i.h | 5 + drivers/scsi/cxgbi/libcxgbi.c | 94 +++++++++++++-------------- drivers/scsi/cxgbi/libcxgbi.h | 18 +---- 5 files changed, 172 insertions(+), 136 deletions(-) diff --git a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c index a01c1e2..a129a17 100644 --- a/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c +++ b/drivers/scsi/cxgbi/cxgb3i/cxgb3i.c @@ -320,7 +320,7 @@ static u32 send_rx_credits(struct cxgbi_sock *csk, u32 credits) "csk 0x%p,%u,0x%lx,%u, credit %u, dack %u.\n", csk, csk->state, csk->flags, csk->tid, credits, dack); - skb = alloc_cpl(sizeof(*req), 0, GFP_ATOMIC); + skb = alloc_wr(sizeof(*req), 0, GFP_ATOMIC); if (!skb) { pr_info("csk 0x%p, credit %u, OOM.\n", csk, credits); return 0; @@ -572,7 +572,7 @@ static void act_open_retry_timer(unsigned long data) cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); - skb = alloc_cpl(sizeof(struct cpl_act_open_req), 0, GFP_ATOMIC); + skb = alloc_wr(sizeof(struct cpl_act_open_req), 0, GFP_ATOMIC); if (!skb) cxgbi_sock_fail_act_open(csk, -ENOMEM); else { @@ -589,9 +589,10 @@ static int do_act_open_rpl(struct t3cdev *tdev, struct sk_buff *skb, void *ctx) struct cxgbi_sock *csk = ctx; struct cpl_act_open_rpl *rpl = cplhdr(skb); - log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, - "csk 0x%p,%u,0x%lx,%u, status %u.\n", - csk, csk->state, csk->flags, csk->atid, rpl->status); + pr_info("csk 0x%p,%u,0x%lx,%u, status %u, %pI4:%u-%pI4:%u.\n", + csk, csk->state, csk->flags, csk->atid, rpl->status, + &csk->saddr.sin_addr.s_addr, ntohs(csk->saddr.sin_port), + &csk->daddr.sin_addr.s_addr, ntohs(csk->daddr.sin_port)); if (rpl->status != CPL_ERR_TCAM_FULL && rpl->status != CPL_ERR_CONN_EXIST && @@ -662,8 +663,7 @@ static int abort_status_to_errno(struct cxgbi_sock *csk, int abort_reason, switch (abort_reason) { case CPL_ERR_BAD_SYN: /* fall through */ case CPL_ERR_CONN_RESET: - return csk->state > CTP_ESTABLISHED ? - -EPIPE : -ECONNRESET; + return csk->state > CTP_ESTABLISHED ? -EPIPE : -ECONNRESET; case CPL_ERR_XMIT_TIMEDOUT: case CPL_ERR_PERSIST_TIMEDOUT: case CPL_ERR_FINWAIT2_TIMEDOUT: @@ -881,16 +881,16 @@ static int do_wr_ack(struct t3cdev *cdev, struct sk_buff *skb, void *ctx) */ static int alloc_cpls(struct cxgbi_sock *csk) { - csk->cpl_close = alloc_cpl(sizeof(struct cpl_close_con_req), 0, + csk->cpl_close = alloc_wr(sizeof(struct cpl_close_con_req), 0, GFP_KERNEL); if (!csk->cpl_close) return -ENOMEM; - csk->cpl_abort_req = alloc_cpl(sizeof(struct cpl_abort_req), 0, + csk->cpl_abort_req = alloc_wr(sizeof(struct cpl_abort_req), 0, GFP_KERNEL); if (!csk->cpl_abort_req) goto free_cpl_skbs; - csk->cpl_abort_rpl = alloc_cpl(sizeof(struct cpl_abort_rpl), 0, + csk->cpl_abort_rpl = alloc_wr(sizeof(struct cpl_abort_rpl), 0, GFP_KERNEL); if (!csk->cpl_abort_rpl) goto free_cpl_skbs; @@ -945,17 +945,44 @@ static void release_offload_resources(struct cxgbi_sock *csk) csk->cdev = NULL; } +static void update_address(struct cxgbi_hba *chba) +{ + if (chba->ipv4addr) { + if (chba->vdev && + chba->ipv4addr != cxgb3i_get_private_ipv4addr(chba->vdev)) { + cxgb3i_set_private_ipv4addr(chba->vdev, chba->ipv4addr); + cxgb3i_set_private_ipv4addr(chba->ndev, 0); + pr_info("%s set %pI4.\n", + chba->vdev->name, &chba->ipv4addr); + } else if (chba->ipv4addr != + cxgb3i_get_private_ipv4addr(chba->ndev)) { + cxgb3i_set_private_ipv4addr(chba->ndev, chba->ipv4addr); + pr_info("%s set %pI4.\n", + chba->ndev->name, &chba->ipv4addr); + } + } else if (cxgb3i_get_private_ipv4addr(chba->ndev)) { + if (chba->vdev) + cxgb3i_set_private_ipv4addr(chba->vdev, 0); + cxgb3i_set_private_ipv4addr(chba->ndev, 0); + } +} + static int init_act_open(struct cxgbi_sock *csk) { struct dst_entry *dst = csk->dst; struct cxgbi_device *cdev = csk->cdev; struct t3cdev *t3dev = (struct t3cdev *)cdev->lldev; struct net_device *ndev = cdev->ports[csk->port_id]; + struct cxgbi_hba *chba = cdev->hbas[csk->port_id]; struct sk_buff *skb = NULL; log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p,%u,0x%lx.\n", csk, csk->state, csk->flags); + update_address(chba); + if (chba->ipv4addr) + csk->saddr.sin_addr.s_addr = chba->ipv4addr; + csk->rss_qid = 0; csk->l2t = t3_l2t_get(t3dev, dst->neighbour, ndev); if (!csk->l2t) { @@ -972,7 +999,7 @@ static int init_act_open(struct cxgbi_sock *csk) cxgbi_sock_set_flag(csk, CTPF_HAS_ATID); cxgbi_sock_get(csk); - skb = alloc_cpl(sizeof(struct cpl_act_open_req), 0, GFP_KERNEL); + skb = alloc_wr(sizeof(struct cpl_act_open_req), 0, GFP_KERNEL); if (!skb) goto rel_resource; skb->sk = (struct sock *)csk; @@ -984,6 +1011,12 @@ static int init_act_open(struct cxgbi_sock *csk) cxgbi_sock_reset_wr_list(csk); csk->err = 0; + log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, + "csk 0x%p,%u,0x%lx, %pI4:%u-%pI4:%u.\n", + csk, csk->state, csk->flags, + &csk->saddr.sin_addr.s_addr, ntohs(csk->saddr.sin_port), + &csk->daddr.sin_addr.s_addr, ntohs(csk->daddr.sin_port)); + cxgbi_sock_set_state(csk, CTP_ACTIVE_OPEN); send_act_open_req(csk, skb, csk->l2t); return 0; @@ -1141,11 +1174,11 @@ static int ddp_alloc_gl_skb(struct cxgbi_ddp_info *ddp, int idx, "ddp 0x%p, idx %d, cnt %d.\n", ddp, idx, cnt); for (i = 0; i < cnt; i++) { - struct sk_buff *skb = alloc_cpl(sizeof(struct ulp_mem_io) + + struct sk_buff *skb = alloc_wr(sizeof(struct ulp_mem_io) + PPOD_SIZE, 0, gfp); - if (skb) { + if (skb) ddp->gl_skb[idx + i] = skb; - } else { + else { ddp_free_gl_skb(ddp, idx, i); return -ENOMEM; } @@ -1156,7 +1189,7 @@ static int ddp_alloc_gl_skb(struct cxgbi_ddp_info *ddp, int idx, static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, unsigned int tid, int pg_idx, bool reply) { - struct sk_buff *skb = alloc_cpl(sizeof(struct cpl_set_tcb_field), 0, + struct sk_buff *skb = alloc_wr(sizeof(struct cpl_set_tcb_field), 0, GFP_KERNEL); struct cpl_set_tcb_field *req; u64 val = pg_idx < DDP_PGIDX_MAX ? pg_idx : 0; @@ -1193,7 +1226,7 @@ static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, int hcrc, int dcrc, int reply) { - struct sk_buff *skb = alloc_cpl(sizeof(struct cpl_set_tcb_field), 0, + struct sk_buff *skb = alloc_wr(sizeof(struct cpl_set_tcb_field), 0, GFP_KERNEL); struct cpl_set_tcb_field *req; u64 val = (hcrc ? 1 : 0) | (dcrc ? 2 : 0); diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c index b375a68..8b6ada8 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.c @@ -34,8 +34,8 @@ static unsigned int dbg_level; #define DRV_MODULE_NAME "cxgb4i" #define DRV_MODULE_DESC "Chelsio T4 iSCSI Driver" -#define DRV_MODULE_VERSION "0.9.0" -#define DRV_MODULE_RELDATE "May 2010" +#define DRV_MODULE_VERSION "0.9.1" +#define DRV_MODULE_RELDATE "Aug. 2010" static char version[] = DRV_MODULE_DESC " " DRV_MODULE_NAME @@ -332,7 +332,7 @@ static u32 send_rx_credits(struct cxgbi_sock *csk, u32 credits) "csk 0x%p,%u,0x%lx,%u, credit %u.\n", csk, csk->state, csk->flags, csk->tid, credits); - skb = alloc_cpl(sizeof(*req), 0, GFP_ATOMIC); + skb = alloc_wr(sizeof(*req), 0, GFP_ATOMIC); if (!skb) { pr_info("csk 0x%p, credit %u, OOM.\n", csk, credits); return 0; @@ -388,7 +388,7 @@ static inline void send_tx_flowc_wr(struct cxgbi_sock *csk) int flowclen, i; flowclen = 80; - skb = alloc_cpl(flowclen, 0, GFP_ATOMIC); + skb = alloc_wr(flowclen, 0, GFP_ATOMIC); flowc = (struct fw_flowc_wr *)skb->head; flowc->op_to_nparams = htonl(FW_WR_OP(FW_FLOWC_WR) | FW_FLOWC_WR_NPARAMS(8)); @@ -396,7 +396,7 @@ static inline void send_tx_flowc_wr(struct cxgbi_sock *csk) htonl(FW_WR_LEN16(DIV_ROUND_UP(72, 16)) | FW_WR_FLOWID(csk->tid)); flowc->mnemval[0].mnemonic = FW_FLOWC_MNEM_PFNVFN; - flowc->mnemval[0].val = htonl(0); + flowc->mnemval[0].val = htonl(csk->cdev->pfvf); flowc->mnemval[1].mnemonic = FW_FLOWC_MNEM_CH; flowc->mnemval[1].val = htonl(csk->tx_chan); flowc->mnemval[2].mnemonic = FW_FLOWC_MNEM_PORT; @@ -568,6 +568,12 @@ static void do_act_establish(struct cxgbi_device *cdev, struct sk_buff *skb) goto rel_skb; } + if (csk->atid != atid) { + pr_err("bad conn atid %u, csk 0x%p,%u,0x%lx,tid %u, atid %u.\n", + atid, csk, csk->state, csk->flags, csk->tid, csk->atid); + goto rel_skb; + } + log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, "csk 0x%p,%u,0x%lx, tid %u, atid %u, rseq %u.\n", csk, csk->state, csk->flags, tid, atid, rcv_isn); @@ -651,7 +657,7 @@ static void csk_act_open_retry_timer(unsigned long data) cxgbi_sock_get(csk); spin_lock_bh(&csk->lock); - skb = alloc_cpl(sizeof(struct cpl_act_open_req), 0, GFP_ATOMIC); + skb = alloc_wr(sizeof(struct cpl_act_open_req), 0, GFP_ATOMIC); if (!skb) cxgbi_sock_fail_act_open(csk, -ENOMEM); else { @@ -681,9 +687,10 @@ static void do_act_open_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) goto rel_skb; } - log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, - "csk 0x%p,%u,0x%lx, status %u, atid %u, tid %u.\n", - csk, csk->state, csk->flags, status, atid, tid); + pr_info("%pI4:%u-%pI4:%u, atid %u,%u, status %u, csk 0x%p,%u,0x%lx.\n", + &csk->saddr.sin_addr.s_addr, ntohs(csk->saddr.sin_port), + &csk->daddr.sin_addr.s_addr, ntohs(csk->daddr.sin_port), + atid, tid, status, csk, csk->state, csk->flags); if (status && status != CPL_ERR_TCAM_FULL && status != CPL_ERR_CONN_EXIST && @@ -1073,18 +1080,18 @@ static void do_set_tcb_rpl(struct cxgbi_device *cdev, struct sk_buff *skb) static int alloc_cpls(struct cxgbi_sock *csk) { - csk->cpl_close = alloc_cpl(sizeof(struct cpl_close_con_req), - 0, GFP_NOIO); + csk->cpl_close = alloc_wr(sizeof(struct cpl_close_con_req), + 0, GFP_KERNEL); if (!csk->cpl_close) return -ENOMEM; - csk->cpl_abort_req = alloc_cpl(sizeof(struct cpl_abort_req), - 0, GFP_NOIO); + csk->cpl_abort_req = alloc_wr(sizeof(struct cpl_abort_req), + 0, GFP_KERNEL); if (!csk->cpl_abort_req) goto free_cpls; - csk->cpl_abort_rpl = alloc_cpl(sizeof(struct cpl_abort_rpl), - 0, GFP_NOIO); + csk->cpl_abort_rpl = alloc_wr(sizeof(struct cpl_abort_rpl), + 0, GFP_KERNEL); if (!csk->cpl_abort_rpl) goto free_cpls; return 0; @@ -1158,7 +1165,7 @@ static int init_act_open(struct cxgbi_sock *csk) } cxgbi_sock_get(csk); - skb = alloc_cpl(sizeof(struct cpl_act_open_req), 0, GFP_NOIO); + skb = alloc_wr(sizeof(struct cpl_act_open_req), 0, GFP_KERNEL); if (!skb) goto rel_resource; skb->sk = (struct sock *)csk; @@ -1234,41 +1241,41 @@ int cxgb4i_ofld_init(struct cxgbi_device *cdev) /* * functions to program the pagepod in h/w */ +#define ULPMEM_IDATA_MAX_NPPODS 4 /* 256/PPOD_SIZE */ static inline void ulp_mem_io_set_hdr(struct ulp_mem_io *req, - unsigned int dlen, unsigned int pm_addr) + unsigned int wr_len, unsigned int dlen, + unsigned int pm_addr) { - struct ulptx_sgl *sgl; - unsigned int wr_len = roundup(sizeof(struct ulp_mem_io) + - sizeof(struct ulptx_sgl), 16); + struct ulptx_idata *idata = (struct ulptx_idata *)(req + 1); INIT_ULPTX_WR(req, wr_len, 0, 0); - req->cmd = htonl(ULPTX_CMD(ULP_TX_MEM_WRITE)); + req->cmd = htonl(ULPTX_CMD(ULP_TX_MEM_WRITE) | (1 << 23)); req->dlen = htonl(ULP_MEMIO_DATA_LEN(dlen >> 5)); req->lock_addr = htonl(ULP_MEMIO_ADDR(pm_addr >> 5)); req->len16 = htonl(DIV_ROUND_UP(wr_len - sizeof(req->wr), 16)); - sgl = (struct ulptx_sgl *)(req + 1); - sgl->cmd_nsge = htonl(ULPTX_CMD(ULP_TX_SC_DSGL) | ULPTX_NSGE(1)); - sgl->len0 = htonl(dlen); + + idata->cmd_more = htonl(ULPTX_CMD(ULP_TX_SC_IMM)); + idata->len = htonl(dlen); } -static int ddp_ppod_write_sgl(struct cxgbi_device *cdev, unsigned int port_id, +static int ddp_ppod_write_idata(struct cxgbi_device *cdev, unsigned int port_id, struct cxgbi_pagepod_hdr *hdr, unsigned int idx, unsigned int npods, struct cxgbi_gather_list *gl, unsigned int gl_pidx) { struct cxgbi_ddp_info *ddp = cdev->ddp; - unsigned int dlen, pm_addr; struct sk_buff *skb; struct ulp_mem_io *req; - struct ulptx_sgl *sgl; + struct ulptx_idata *idata; struct cxgbi_pagepod *ppod; + unsigned int pm_addr = idx * PPOD_SIZE + ddp->llimit; + unsigned int dlen = PPOD_SIZE * npods; + unsigned int wr_len = roundup(sizeof(struct ulp_mem_io) + + sizeof(struct ulptx_idata) + dlen, 16); unsigned int i; - dlen = PPOD_SIZE * npods; - pm_addr = idx * PPOD_SIZE + ddp->llimit; - - skb = alloc_cpl(sizeof(*req) + sizeof(*sgl), dlen, GFP_ATOMIC); + skb = alloc_wr(wr_len, 0, GFP_ATOMIC); if (!skb) { pr_err("cdev 0x%p, idx %u, npods %u, OOM.\n", cdev, idx, npods); @@ -1277,10 +1284,9 @@ static int ddp_ppod_write_sgl(struct cxgbi_device *cdev, unsigned int port_id, req = (struct ulp_mem_io *)skb->head; set_queue(skb, CPL_PRIORITY_CONTROL, NULL); - ulp_mem_io_set_hdr(req, dlen, pm_addr); - sgl = (struct ulptx_sgl *)(req + 1); - ppod = (struct cxgbi_pagepod *)(sgl + 1); - sgl->addr0 = cpu_to_be64(virt_to_phys(ppod)); + ulp_mem_io_set_hdr(req, wr_len, dlen, pm_addr); + idata = (struct ulptx_idata *)(req + 1); + ppod = (struct cxgbi_pagepod *)(idata + 1); for (i = 0; i < npods; i++, ppod++, gl_pidx += PPOD_PAGES_MAX) { if (!hdr && !gl) @@ -1302,9 +1308,9 @@ static int ddp_set_map(struct cxgbi_sock *csk, struct cxgbi_pagepod_hdr *hdr, for (i = 0; i < npods; i += cnt, idx += cnt) { cnt = npods - i; - if (cnt > ULPMEM_DSGL_MAX_NPPODS) - cnt = ULPMEM_DSGL_MAX_NPPODS; - err = ddp_ppod_write_sgl(csk->cdev, csk->port_id, hdr, + if (cnt > ULPMEM_IDATA_MAX_NPPODS) + cnt = ULPMEM_IDATA_MAX_NPPODS; + err = ddp_ppod_write_idata(csk->cdev, csk->port_id, hdr, idx, cnt, gl, 4 * i); if (err < 0) break; @@ -1320,9 +1326,9 @@ static void ddp_clear_map(struct cxgbi_hba *chba, unsigned int tag, for (i = 0; i < npods; i += cnt, idx += cnt) { cnt = npods - i; - if (cnt > ULPMEM_DSGL_MAX_NPPODS) - cnt = ULPMEM_DSGL_MAX_NPPODS; - err = ddp_ppod_write_sgl(chba->cdev, chba->port_id, NULL, + if (cnt > ULPMEM_IDATA_MAX_NPPODS) + cnt = ULPMEM_IDATA_MAX_NPPODS; + err = ddp_ppod_write_idata(chba->cdev, chba->port_id, NULL, idx, cnt, NULL, 0); if (err < 0) break; @@ -1334,26 +1340,22 @@ static int ddp_setup_conn_pgidx(struct cxgbi_sock *csk, unsigned int tid, { struct sk_buff *skb; struct cpl_set_tcb_field *req; - u64 val = pg_idx < DDP_PGIDX_MAX ? pg_idx : 0; - if (!pg_idx) + if (!pg_idx || pg_idx >= DDP_PGIDX_MAX) return 0; - skb = alloc_cpl(sizeof(*req), 0, GFP_KERNEL); + skb = alloc_wr(sizeof(*req), 0, GFP_KERNEL); if (!skb) return -ENOMEM; - /* set up ulp submode and page size */ - val = (val & 0x03) << 2; - val |= TCB_ULP_TYPE(ULP2_MODE_ISCSI); - + /* set up ulp page size */ req = (struct cpl_set_tcb_field *)skb->head; INIT_TP_WR(req, csk->tid); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, csk->tid)); req->reply_ctrl = htons(NO_REPLY(reply) | QUEUENO(csk->rss_qid)); - req->word_cookie = htons(TCB_WORD(W_TCB_ULP_RAW)); - req->mask = cpu_to_be64(TCB_ULP_TYPE(TCB_ULP_TYPE_MASK)); - req->val = cpu_to_be64(val); + req->word_cookie = htons(0); + req->mask = cpu_to_be64(0x3 << 8); + req->val = cpu_to_be64(pg_idx << 8); set_wr_txq(skb, CPL_PRIORITY_CONTROL, csk->port_id); log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, @@ -1368,25 +1370,25 @@ static int ddp_setup_conn_digest(struct cxgbi_sock *csk, unsigned int tid, { struct sk_buff *skb; struct cpl_set_tcb_field *req; - u64 val = (hcrc ? ULP_CRC_HEADER : 0) | (dcrc ? ULP_CRC_DATA : 0); - val = TCB_ULP_RAW(val); - val |= TCB_ULP_TYPE(ULP2_MODE_ISCSI); + if (!hcrc && !dcrc) + return 0; - skb = alloc_cpl(sizeof(*req), 0, GFP_KERNEL); + skb = alloc_wr(sizeof(*req), 0, GFP_KERNEL); if (!skb) return -ENOMEM; csk->hcrc_len = (hcrc ? 4 : 0); csk->dcrc_len = (dcrc ? 4 : 0); - /* set up ulp submode and page size */ + /* set up ulp submode */ req = (struct cpl_set_tcb_field *)skb->head; INIT_TP_WR(req, tid); OPCODE_TID(req) = htonl(MK_OPCODE_TID(CPL_SET_TCB_FIELD, tid)); req->reply_ctrl = htons(NO_REPLY(reply) | QUEUENO(csk->rss_qid)); - req->word_cookie = htons(TCB_WORD(W_TCB_ULP_RAW)); - req->mask = cpu_to_be64(TCB_ULP_RAW(TCB_ULP_RAW_MASK)); - req->val = cpu_to_be64(val); + req->word_cookie = htons(0); + req->mask = cpu_to_be64(0x3 << 4); + req->val = cpu_to_be64(((hcrc ? ULP_CRC_HEADER : 0) | + (dcrc ? ULP_CRC_DATA : 0)) << 4); set_wr_txq(skb, CPL_PRIORITY_CONTROL, csk->port_id); log_debug(1 << CXGBI_DBG_TOE | 1 << CXGBI_DBG_SOCK, @@ -1477,6 +1479,10 @@ static void *t4_uld_add(const struct cxgb4_lld_info *lldi) cdev->skb_rx_extra = sizeof(struct cpl_iscsi_hdr); cdev->itp = &cxgb4i_iscsi_transport; + cdev->pfvf = FW_VIID_PFN_GET(cxgb4_port_viid(lldi->ports[0])) << 8; + pr_info("cdev 0x%p,%s, pfvf %u.\n", + cdev, lldi->ports[0]->name, cdev->pfvf); + rc = cxgb4i_ddp_init(cdev); if (rc) { pr_info("t4 0x%p ddp init failed.\n", cdev); @@ -1516,7 +1522,7 @@ static int t4_uld_rx_handler(void *handle, const __be64 *rsp, if (pgl == NULL) { unsigned int len = 64 - sizeof(struct rsp_ctrl) - 8; - skb = alloc_cpl(len, 0, GFP_ATOMIC); + skb = alloc_wr(len, 0, GFP_ATOMIC); if (!skb) goto nomem; skb_copy_to_linear_data(skb, &rsp[1], len); diff --git a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.h b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.h index 342263b..1096026 100644 --- a/drivers/scsi/cxgbi/cxgb4i/cxgb4i.h +++ b/drivers/scsi/cxgbi/cxgb4i/cxgb4i.h @@ -23,6 +23,11 @@ #define CXGB4I_TX_HEADER_LEN \ (sizeof(struct fw_ofld_tx_data_wr) + sizeof(struct sge_opaque_hdr)) +struct ulptx_idata { + __be32 cmd_more; + __be32 len; +}; + struct cpl_rx_data_ddp { union opcode_tid ot; __be16 urg; diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index db9d08a..b29e77d 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -195,16 +195,22 @@ EXPORT_SYMBOL_GPL(cxgbi_device_find_by_lldev); static struct cxgbi_device *cxgbi_device_find_by_netdev(struct net_device *ndev, int *port) { + struct net_device *vdev = NULL; struct cxgbi_device *cdev, *tmp; int i; - if (ndev->priv_flags & IFF_802_1Q_VLAN) + if (ndev->priv_flags & IFF_802_1Q_VLAN) { + vdev = ndev; ndev = vlan_dev_real_dev(ndev); + log_debug(1 << CXGBI_DBG_DEV, + "vlan dev %s -> %s.\n", vdev->name, ndev->name); + } mutex_lock(&cdev_mutex); list_for_each_entry_safe(cdev, tmp, &cdev_list, list_head) { for (i = 0; i < cdev->nports; i++) { if (ndev == cdev->ports[i]) { + cdev->hbas[i]->vdev = vdev; mutex_unlock(&cdev_mutex); if (port) *port = i; @@ -218,24 +224,6 @@ static struct cxgbi_device *cxgbi_device_find_by_netdev(struct net_device *ndev, return NULL; } -struct cxgbi_hba *cxgbi_hba_find_by_netdev(struct net_device *dev, - struct cxgbi_device *cdev) -{ - int i; - - if (dev->priv_flags & IFF_802_1Q_VLAN) - dev = vlan_dev_real_dev(dev); - - for (i = 0; i < cdev->nports; i++) { - if (cdev->hbas[i]->ndev == dev) - return cdev->hbas[i]; - } - log_debug(1 << CXGBI_DBG_DEV, - "ndev 0x%p, %s, cdev 0x%p, NO match found.\n", - dev, dev->name, cdev); - return NULL; -} - void cxgbi_hbas_remove(struct cxgbi_device *cdev) { int i; @@ -532,12 +520,6 @@ static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr) dst->neighbour->dev->name, ndev->name, mtu); } - if (ndev->priv_flags & IFF_802_1Q_VLAN) { - ndev = vlan_dev_real_dev(ndev); - pr_info("rt dev %s, vlan -> %s.\n", - dst->neighbour->dev->name, ndev->name); - } - cdev = cxgbi_device_find_by_netdev(ndev, &port); if (!cdev) { pr_info("dst %pI4, %s, NOT cxgbi device.\n", @@ -561,10 +543,7 @@ static struct cxgbi_sock *cxgbi_check_route(struct sockaddr *dst_addr) csk->dst = dst; csk->daddr.sin_addr.s_addr = daddr->sin_addr.s_addr; csk->daddr.sin_port = daddr->sin_port; - if (cdev->hbas[port]->ipv4addr) - csk->saddr.sin_addr.s_addr = cdev->hbas[port]->ipv4addr; - else - csk->saddr.sin_addr.s_addr = rt->rt_src; + csk->saddr.sin_addr.s_addr = rt->rt_src; return csk; @@ -593,11 +572,11 @@ static void cxgbi_inform_iscsi_conn_closing(struct cxgbi_sock *csk) csk, csk->state, csk->flags, csk->user_data); if (csk->state != CTP_ESTABLISHED) { - read_lock(&csk->callback_lock); + read_lock_bh(&csk->callback_lock); if (csk->user_data) iscsi_conn_failure(csk->user_data, ISCSI_ERR_CONN_FAILED); - read_unlock(&csk->callback_lock); + read_unlock_bh(&csk->callback_lock); } } @@ -1712,12 +1691,10 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) "csk 0x%p, conn 0x%p, id %d, suspend_rx %lu!\n", csk, conn, conn ? conn->id : 0xFF, conn ? conn->suspend_rx : 0xFF); - read_unlock(&csk->callback_lock); return; } while (!err) { - read_lock(&csk->callback_lock); skb = skb_peek(&csk->receive_queue); if (!skb || !(cxgbi_skcb_test_flag(skb, SKCBF_RX_STATUS))) { @@ -1725,11 +1702,9 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) log_debug(1 << CXGBI_DBG_PDU_RX, "skb 0x%p, NOT ready 0x%lx.\n", skb, cxgbi_skcb_flags(skb)); - read_unlock(&csk->callback_lock); break; } __skb_unlink(skb, &csk->receive_queue); - read_unlock(&csk->callback_lock); read += cxgbi_skcb_rx_pdulen(skb); log_debug(1 << CXGBI_DBG_PDU_RX, @@ -1739,18 +1714,37 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) if (cxgbi_skcb_test_flag(skb, SKCBF_RX_COALESCED)) { err = skb_read_pdu_bhs(conn, skb); - if (err < 0) + if (err < 0) { + pr_err("coalesced bhs, csk 0x%p, skb 0x%p,%u, " + "f 0x%lx, plen %u.\n", + csk, skb, skb->len, + cxgbi_skcb_flags(skb), + cxgbi_skcb_rx_pdulen(skb)); break; + } err = skb_read_pdu_data(conn, skb, skb, err + cdev->skb_rx_extra); + if (err < 0) { + pr_err("coalesced data, csk 0x%p, skb 0x%p,%u, " + "f 0x%lx, plen %u.\n", + csk, skb, skb->len, + cxgbi_skcb_flags(skb), + cxgbi_skcb_rx_pdulen(skb)); + break; + } } else { err = skb_read_pdu_bhs(conn, skb); - if (err < 0) + if (err < 0) { + pr_err("bhs, csk 0x%p, skb 0x%p,%u, " + "f 0x%lx, plen %u.\n", + csk, skb, skb->len, + cxgbi_skcb_flags(skb), + cxgbi_skcb_rx_pdulen(skb)); break; + } if (cxgbi_skcb_test_flag(skb, SKCBF_RX_DATA)) { struct sk_buff *dskb; - read_lock(&csk->callback_lock); dskb = skb_peek(&csk->receive_queue); if (!dskb) { read_unlock(&csk->callback_lock); @@ -1759,9 +1753,16 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) break; } __skb_unlink(dskb, &csk->receive_queue); - read_unlock(&csk->callback_lock); err = skb_read_pdu_data(conn, skb, dskb, 0); + if (err < 0) + pr_err("data, csk 0x%p, skb 0x%p,%u, " + "f 0x%lx, plen %u, dskb 0x%p," + "%u.\n", + csk, skb, skb->len, + cxgbi_skcb_flags(dskb), + cxgbi_skcb_rx_pdulen(skb), + dskb, dskb->len); __kfree_skb(dskb); } else err = skb_read_pdu_data(conn, skb, skb, 0); @@ -1780,7 +1781,8 @@ void cxgbi_conn_pdu_ready(struct cxgbi_sock *csk) } if (err < 0) { - pr_info("csk 0x%p, 0x%p, rx failed %d.\n", csk, conn, err); + pr_info("csk 0x%p, 0x%p, rx failed %d, read %u.\n", + csk, conn, err, read); iscsi_conn_failure(conn, ISCSI_ERR_CONN_FAILED); } } @@ -1861,7 +1863,7 @@ int cxgbi_conn_alloc_pdu(struct iscsi_task *task, u8 opcode) struct cxgbi_device *cdev = cconn->chba->cdev; struct iscsi_conn *conn = task->conn; struct iscsi_tcp_task *tcp_task = task->dd_data; - struct cxgbi_task_data *tdata = task->dd_data + sizeof(*tcp_task); + struct cxgbi_task_data *tdata = iscsi_task_cxgbi_data(task); struct scsi_cmnd *sc = task->sc; int headroom = SKB_TX_ISCSI_PDU_HEADER_MAX; @@ -1916,8 +1918,7 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset, unsigned int count) { struct iscsi_conn *conn = task->conn; - struct iscsi_tcp_task *tcp_task = task->dd_data; - struct cxgbi_task_data *tdata = tcp_task->dd_data; + struct cxgbi_task_data *tdata = iscsi_task_cxgbi_data(task); struct sk_buff *skb = tdata->skb; unsigned int datalen = count; int i, padlen = iscsi_padding(count); @@ -2019,8 +2020,7 @@ int cxgbi_conn_xmit_pdu(struct iscsi_task *task) { struct iscsi_tcp_conn *tcp_conn = task->conn->dd_data; struct cxgbi_conn *cconn = tcp_conn->dd_data; - struct iscsi_tcp_task *tcp_task = task->dd_data; - struct cxgbi_task_data *tdata = tcp_task->dd_data; + struct cxgbi_task_data *tdata = iscsi_task_cxgbi_data(task); struct sk_buff *skb = tdata->skb; unsigned int datalen; int err; @@ -2290,12 +2290,12 @@ int cxgbi_bind_conn(struct iscsi_cls_session *cls_session, /* calculate the tag idx bits needed for this conn based on cmds_max */ cconn->task_idx_bits = (__ilog2_u32(conn->session->cmds_max - 1)) + 1; - write_lock(&csk->callback_lock); + write_lock_bh(&csk->callback_lock); csk->user_data = conn; cconn->chba = cep->chba; cconn->cep = cep; cep->cconn = cconn; - write_unlock(&csk->callback_lock); + write_unlock_bh(&csk->callback_lock); cxgbi_conn_max_xmit_dlength(conn); cxgbi_conn_max_recv_dlength(conn); diff --git a/drivers/scsi/cxgbi/libcxgbi.h b/drivers/scsi/cxgbi/libcxgbi.h index 40551f3..c57d59d 100644 --- a/drivers/scsi/cxgbi/libcxgbi.h +++ b/drivers/scsi/cxgbi/libcxgbi.h @@ -162,16 +162,6 @@ struct cxgbi_ddp_info { #define PPOD_VALID(x) ((x) << PPOD_VALID_SHIFT) #define PPOD_VALID_FLAG PPOD_VALID(1U) -#define W_TCB_ULP_TYPE 0 -#define TCB_ULP_TYPE_SHIFT 0 -#define TCB_ULP_TYPE_MASK 0xfULL -#define TCB_ULP_TYPE(x) ((x) << TCB_ULP_TYPE_SHIFT) - -#define W_TCB_ULP_RAW 0 -#define TCB_ULP_RAW_SHIFT 4 -#define TCB_ULP_RAW_MASK 0xffULL -#define TCB_ULP_RAW(x) ((x) << TCB_ULP_RAW_SHIFT) - /* * sge_opaque_hdr - * Opaque version of structure the SGE stores at skb->head of TX_DATA packets @@ -410,16 +400,15 @@ static inline unsigned int cxgbi_sock_compute_wscale(unsigned int win) return wscale; } -static inline struct sk_buff *alloc_cpl(int cpl_len, int dlen, gfp_t gfp) +static inline struct sk_buff *alloc_wr(int wrlen, int dlen, gfp_t gfp) { - int wrlen = roundup(cpl_len, 16); struct sk_buff *skb = alloc_skb(wrlen + dlen, gfp); if (skb) { __skb_put(skb, wrlen); memset(skb->head, 0, wrlen + dlen); } else - pr_info("alloc cpl skb %u+%u, OOM.\n", cpl_len, dlen); + pr_info("alloc cpl wr skb %u+%u, OOM.\n", wrlen, dlen); return skb; } @@ -501,6 +490,7 @@ void cxgbi_sock_free_cpl_skbs(struct cxgbi_sock *); struct cxgbi_hba { struct net_device *ndev; + struct net_device *vdev; /* vlan dev */ struct Scsi_Host *shost; struct cxgbi_device *cdev; __be32 ipv4addr; @@ -593,6 +583,8 @@ struct cxgbi_task_data { unsigned int count; unsigned int sgoffset; }; +#define iscsi_task_cxgbi_data(task) \ + ((task)->dd_data + sizeof(struct iscsi_tcp_task)) static inline int cxgbi_is_ddp_tag(struct cxgbi_tag_format *tformat, u32 tag) { -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html