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| author | Russell King (Oracle) <rmk+kernel@armlinux.org.uk> | 2026-04-01 08:21:29 +0100 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2026-04-02 11:28:18 -0700 |
| commit | f799b5dab9c98a4b52a93d1c357916e0f0b7e663 (patch) | |
| tree | 219d3ba2e522e1aa10c179209cf975ca7000c85a /drivers | |
| parent | e32820264c2949a3e75bc5083e49c885e3bbaf62 (diff) | |
| download | linux-next-f799b5dab9c98a4b52a93d1c357916e0f0b7e663.tar.gz linux-next-f799b5dab9c98a4b52a93d1c357916e0f0b7e663.zip | |
net: stmmac: add stmmac_tso_header_size()
We will need to compute the size of the protocol headers in two places,
so move this into a separate function.
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Link: https://patch.msgid.link/E1w7ptJ-0000000Eat5-2ZlA@rmk-PC.armlinux.org.uk
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_main.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index 729072622fcb..3e7675cfd57e 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -4373,6 +4373,18 @@ static void stmmac_flush_tx_descriptors(struct stmmac_priv *priv, int queue) stmmac_set_queue_tx_tail_ptr(priv, tx_q, queue, tx_q->cur_tx); } +static size_t stmmac_tso_header_size(struct sk_buff *skb) +{ + size_t size; + + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) + size = skb_transport_offset(skb) + sizeof(struct udphdr); + else + size = skb_tcp_all_headers(skb); + + return size; +} + /** * stmmac_tso_xmit - Tx entry point of the driver for oversized frames (TSO) * @skb : the socket buffer @@ -4444,13 +4456,11 @@ static netdev_tx_t stmmac_tso_xmit(struct sk_buff *skb, struct net_device *dev) first_tx = tx_q->cur_tx; /* Compute header lengths */ - if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) { - proto_hdr_len = skb_transport_offset(skb) + sizeof(struct udphdr); + proto_hdr_len = stmmac_tso_header_size(skb); + if (skb_shinfo(skb)->gso_type & SKB_GSO_UDP_L4) hdr = sizeof(struct udphdr); - } else { - proto_hdr_len = skb_tcp_all_headers(skb); + else hdr = tcp_hdrlen(skb); - } /* Desc availability based on threshold should be enough safe */ if (unlikely(stmmac_tx_avail(priv, queue) < |