For IPv4 packets, the header checksum will always be calculated in software in the TX path (Documentation/networking/checksum-offloads.rst says "No offloading of the IP header checksum is performed; it is always done in software.") so there is no advantage in asking the hardware to also calculate this checksum. Reviewed-by: Sergey Shtylyov <s.shtylyov@xxxxxx> Signed-off-by: Paul Barker <paul.barker.ct@xxxxxxxxxxxxxx> --- drivers/net/ethernet/renesas/ravb.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index 98496aa39f3d..a5b4f4fe77b1 100644 --- a/drivers/net/ethernet/renesas/ravb.h +++ b/drivers/net/ethernet/renesas/ravb.h @@ -998,7 +998,7 @@ enum CSR1_BIT { CSR1_TDHD = 0x08000000, }; -#define CSR1_CSUM_ENABLE (CSR1_TIP4 | CSR1_TTCP4 | CSR1_TUDP4) +#define CSR1_CSUM_ENABLE (CSR1_TTCP4 | CSR1_TUDP4) enum CSR2_BIT { CSR2_RIP4 = 0x00000001, -- 2.43.0