Messages in this thread Patch in this message | | | From | Christophe JAILLET <> | Subject | [PATCH] sfc: Use 'skb_add_rx_frag()' instead of hand coding it | Date | Sun, 4 Apr 2021 11:45:11 +0200 |
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Some lines of code can be merged into an equivalent 'skb_add_rx_frag()' call which is less verbose.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> --- UNTESTED. Compile tested only
The 'skb->truesize' computation is likely to be slightly slower (n additions hidden in 'skb_add_rx_frag' instead of 1 multiplication), but I don't think that it is an issue here. --- drivers/net/ethernet/sfc/rx.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/net/ethernet/sfc/rx.c b/drivers/net/ethernet/sfc/rx.c index 89c5c75f479f..17b8119c48e5 100644 --- a/drivers/net/ethernet/sfc/rx.c +++ b/drivers/net/ethernet/sfc/rx.c @@ -94,12 +94,11 @@ static struct sk_buff *efx_rx_mk_skb(struct efx_channel *channel, rx_buf->len -= hdr_len; for (;;) { - skb_fill_page_desc(skb, skb_shinfo(skb)->nr_frags, - rx_buf->page, rx_buf->page_offset, - rx_buf->len); + skb_add_rx_frag(skb, skb_shinfo(skb)->nr_frags, + rx_buf->page, rx_buf->page_offset, + rx_buf->len, efx->rx_buffer_truesize); rx_buf->page = NULL; - skb->len += rx_buf->len; - skb->data_len += rx_buf->len; + if (skb_shinfo(skb)->nr_frags == n_frags) break; @@ -111,8 +110,6 @@ static struct sk_buff *efx_rx_mk_skb(struct efx_channel *channel, n_frags = 0; } - skb->truesize += n_frags * efx->rx_buffer_truesize; - /* Move past the ethernet header */ skb->protocol = eth_type_trans(skb, efx->net_dev); -- 2.27.0
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