diff options
| author | Ron Mercer <ron.mercer@qlogic.com> | 2010-01-02 10:37:44 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-01-06 20:30:35 -0800 |
| commit | 635267130855e91f4681df5e4d26ca9ce908447f (patch) | |
| tree | 331cdcf32a98583818dcf2abd372ced41aa56216 /drivers/net | |
| parent | 4f848c0a9c265cb3457fbf842dbffd28e82a44fd (diff) | |
| download | blackbird-op-linux-635267130855e91f4681df5e4d26ca9ce908447f.tar.gz blackbird-op-linux-635267130855e91f4681df5e4d26ca9ce908447f.zip | |
qlge: Add napi gro frags interface.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/qlge/qlge_main.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 109bd0abe9b4..e9d6481ed9eb 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -1434,6 +1434,51 @@ map_error: } /* Process an inbound completion from an rx ring. */ +static void ql_process_mac_rx_gro_page(struct ql_adapter *qdev, + struct rx_ring *rx_ring, + struct ib_mac_iocb_rsp *ib_mac_rsp, + u32 length, + u16 vlan_id) +{ + struct sk_buff *skb; + struct bq_desc *lbq_desc = ql_get_curr_lchunk(qdev, rx_ring); + struct skb_frag_struct *rx_frag; + int nr_frags; + struct napi_struct *napi = &rx_ring->napi; + + napi->dev = qdev->ndev; + + skb = napi_get_frags(napi); + if (!skb) { + QPRINTK(qdev, DRV, ERR, "Couldn't get an skb, exiting.\n"); + rx_ring->rx_dropped++; + put_page(lbq_desc->p.pg_chunk.page); + return; + } + prefetch(lbq_desc->p.pg_chunk.va); + rx_frag = skb_shinfo(skb)->frags; + nr_frags = skb_shinfo(skb)->nr_frags; + rx_frag += nr_frags; + rx_frag->page = lbq_desc->p.pg_chunk.page; + rx_frag->page_offset = lbq_desc->p.pg_chunk.offset; + rx_frag->size = length; + + skb->len += length; + skb->data_len += length; + skb->truesize += length; + skb_shinfo(skb)->nr_frags++; + + rx_ring->rx_packets++; + rx_ring->rx_bytes += length; + skb->ip_summed = CHECKSUM_UNNECESSARY; + skb_record_rx_queue(skb, rx_ring->cq_id); + if (qdev->vlgrp && (vlan_id != 0xffff)) + vlan_gro_frags(&rx_ring->napi, qdev->vlgrp, vlan_id); + else + napi_gro_frags(napi); +} + +/* Process an inbound completion from an rx ring. */ static void ql_process_mac_rx_page(struct ql_adapter *qdev, struct rx_ring *rx_ring, struct ib_mac_iocb_rsp *ib_mac_rsp, @@ -1980,6 +2025,14 @@ static unsigned long ql_process_mac_rx_intr(struct ql_adapter *qdev, */ ql_process_mac_rx_skb(qdev, rx_ring, ib_mac_rsp, length, vlan_id); + } else if ((ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DL) && + !(ib_mac_rsp->flags1 & IB_MAC_CSUM_ERR_MASK) && + (ib_mac_rsp->flags2 & IB_MAC_IOCB_RSP_T)) { + /* TCP packet in a page chunk that's been checksummed. + * Tack it on to our GRO skb and let it go. + */ + ql_process_mac_rx_gro_page(qdev, rx_ring, ib_mac_rsp, + length, vlan_id); } else if (ib_mac_rsp->flags3 & IB_MAC_IOCB_RSP_DL) { /* Non-TCP packet in a page chunk. Allocate an * skb, tack it on frags, and send it up. |
