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sfc: Update comments on efx_rx_packet_gro() 

The in-tree driver has never supported Driverlink.  The rest of the
comments are rather redundant, but we can usefully state what the
requirements are on the buffer state.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
This commit is contained in:
Ben Hutchings 2012-02-25 01:58:35 +00:00
parent bdca71ede7
commit 61321d92fc
1 changed files with 2 additions and 5 deletions
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7
drivers/net/ethernet/sfc/rx.c
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@ -449,10 +449,8 @@ static void efx_rx_packet__check_len(struct efx_rx_queue *rx_queue,
efx_rx_queue_channel(rx_queue)->n_rx_overlength++;
}
/* Pass a received packet up through the generic GRO stack
*
* Handles driverlink veto, and passes the fragment up via
* the appropriate GRO method
/* Pass a received packet up through GRO. GRO can handle pages
* regardless of checksum state and skbs with a good checksum.
*/
static void efx_rx_packet_gro(struct efx_channel *channel,
struct efx_rx_buffer *rx_buf,
@ -461,7 +459,6 @@ static void efx_rx_packet_gro(struct efx_channel *channel,
struct napi_struct *napi = &channel->napi_str;
gro_result_t gro_result;
/* Pass the skb/page into the GRO engine */
if (rx_buf->flags & EFX_RX_BUF_PAGE) {
struct efx_nic *efx = channel->efx;
struct page *page = rx_buf->u.page;