On Sun, Apr 11, 2021 at 09:56:41PM -0400, Zhu Yanjun wrote: > From: Zhu Yanjun <zyjzyj2000@xxxxxxxxx> > > When ipv6.disable=1 is set in cmdline, ipv6 is actually disabled > in the stack. As such, the operations of ipv6 in RXE will fail. > So ipv6 features in RXE should also be disabled in RXE. > > Link: https://lore.kernel.org/linux-rdma/880d7b59-4b17-a44f-1a91-88257bfc3aaa@xxxxxxxxxx/T/#t > Fixes: 8700e3e7c4857 ("Soft RoCE driver") > Reported-by: Yi Zhang <yi.zhang@xxxxxxxxxx> > Signed-off-by: Zhu Yanjun <zyjzyj2000@xxxxxxxxx> > Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxx> > Tested-by: Yi Zhang <yi.zhang@xxxxxxxxxx> Is this signature block accurate? I'm pretty sure Leon didn't look at this version of the patch. Did Yi test this version, or is this leftover from a prior version? > --- > V3->V4: I do not know how to reproduce Jason's problem. So I just ignore > the -EAFNOSUPPORT error. Hope this can fix Jason's problem. Who is Jason? > diff --git a/drivers/infiniband/sw/rxe/rxe_net.c b/drivers/infiniband/sw/rxe/rxe_net.c > index 01662727dca0..b12137257af7 100644 > --- a/drivers/infiniband/sw/rxe/rxe_net.c > +++ b/drivers/infiniband/sw/rxe/rxe_net.c > @@ -620,6 +620,11 @@ static int rxe_net_ipv6_init(void) > recv_sockets.sk6 = rxe_setup_udp_tunnel(&init_net, > htons(ROCE_V2_UDP_DPORT), true); > if (IS_ERR(recv_sockets.sk6)) { > + /* Though IPv6 is not supported, IPv4 still needs to continue > + */ > + if (PTR_ERR(recv_sockets.sk6) == -EAFNOSUPPORT) > + return 0; At least this looks OK to me and the original report certainly said the error was EAFNOSUPPORT Please clarify what is going on with the signature block Jason
