diff options
| author | Paul Barker <paul.barker.ct@bp.renesas.com> | 2024-10-15 14:36:33 +0100 |
|---|---|---|
| committer | Andrew Lunn <andrew@lunn.ch> | 2024-10-17 21:24:25 -0500 |
| commit | 85c171509821af048a45b435e0fac36edba6a0cb (patch) | |
| tree | 2f6d50838c383b167f56f42ada469a270bbf7379 /drivers/net/ethernet/renesas | |
| parent | 59cceae40c67d943687587912483d68226cd04de (diff) | |
net: ravb: Enable IPv6 TX checksum offload for GbEth
The GbEth IP supports offloading IPv6 TCP, UDP & ICMPv6 checksums in the
TX path.
Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Diffstat (limited to 'drivers/net/ethernet/renesas')
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb.h | 2 | ||||
| -rw-r--r-- | drivers/net/ethernet/renesas/ravb_main.c | 15 |
2 files changed, 12 insertions, 5 deletions
diff --git a/drivers/net/ethernet/renesas/ravb.h b/drivers/net/ethernet/renesas/ravb.h index e1e55e677215..d7b3810ce21b 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_TTCP4 | CSR1_TUDP4) +#define CSR1_CSUM_ENABLE (CSR1_TTCP4 | CSR1_TUDP4 | CSR1_TTCP6 | CSR1_TUDP6) enum CSR2_BIT { CSR2_RIP4 = 0x00000001, diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 80c0d36bffcb..14b4462331b0 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -2063,17 +2063,24 @@ out_unlock: static bool ravb_can_tx_csum_gbeth(struct sk_buff *skb) { - struct iphdr *ip = ip_hdr(skb); + u8 inner_protocol; /* TODO: Need to add support for VLAN tag 802.1Q */ if (skb_vlan_tag_present(skb)) return false; - /* TODO: Need to add hardware checksum for IPv6 */ - if (skb->protocol != htons(ETH_P_IP)) + switch (ntohs(skb->protocol)) { + case ETH_P_IP: + inner_protocol = ip_hdr(skb)->protocol; + break; + case ETH_P_IPV6: + inner_protocol = ipv6_hdr(skb)->nexthdr; + break; + default: return false; + } - switch (ip->protocol) { + switch (inner_protocol) { case IPPROTO_TCP: case IPPROTO_UDP: return true; |