diff options
| author | Eric Dumazet <edumazet@google.com> | 2022-06-30 15:07:50 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-07-02 16:22:25 +0100 |
| commit | 504148fedb854299972d164b001357b888a9193e (patch) | |
| tree | 6039f99c8ba79b59026808ea7d9de215d1c59903 /drivers/net/ethernet/atheros/atl1c | |
| parent | 04740c53cac4bf93b5233a0d774d7f39620378e1 (diff) | |
net: add skb_[inner_]tcp_all_headers helpers
Most drivers use "skb_transport_offset(skb) + tcp_hdrlen(skb)"
to compute headers length for a TCP packet, but others
use more convoluted (but equivalent) ways.
Add skb_tcp_all_headers() and skb_inner_tcp_all_headers()
helpers to harmonize this a bit.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/atheros/atl1c')
| -rw-r--r-- | drivers/net/ethernet/atheros/atl1c/atl1c_main.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c index 24fe967c18cd..948584761e66 100644 --- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c +++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c @@ -2072,7 +2072,7 @@ static u16 atl1c_cal_tpd_req(const struct sk_buff *skb) tpd_req = skb_shinfo(skb)->nr_frags + 1; if (skb_is_gso(skb)) { - proto_hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + proto_hdr_len = skb_tcp_all_headers(skb); if (proto_hdr_len < skb_headlen(skb)) tpd_req++; if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) @@ -2107,7 +2107,7 @@ static int atl1c_tso_csum(struct atl1c_adapter *adapter, if (real_len < skb->len) pskb_trim(skb, real_len); - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); + hdr_len = skb_tcp_all_headers(skb); if (unlikely(skb->len == hdr_len)) { /* only xsum need */ if (netif_msg_tx_queued(adapter)) @@ -2132,7 +2132,7 @@ static int atl1c_tso_csum(struct atl1c_adapter *adapter, *tpd = atl1c_get_tpd(adapter, queue); ipv6_hdr(skb)->payload_len = 0; /* check payload == 0 byte ? */ - hdr_len = (skb_transport_offset(skb) + tcp_hdrlen(skb)); + hdr_len = skb_tcp_all_headers(skb); if (unlikely(skb->len == hdr_len)) { /* only xsum need */ if (netif_msg_tx_queued(adapter)) @@ -2219,7 +2219,8 @@ static int atl1c_tx_map(struct atl1c_adapter *adapter, tso = (tpd->word1 >> TPD_LSO_EN_SHIFT) & TPD_LSO_EN_MASK; if (tso) { /* TSO */ - map_len = hdr_len = skb_transport_offset(skb) + tcp_hdrlen(skb); + hdr_len = skb_tcp_all_headers(skb); + map_len = hdr_len; use_tpd = tpd; buffer_info = atl1c_get_tx_buffer(adapter, use_tpd); |