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| author | Taku Izumi <izumi.taku@jp.fujitsu.com> | 2015-08-21 10:29:27 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-24 23:06:35 +0200 |
| commit | 265859309a761b4eec36620b324c9eb27a3cfee1 (patch) | |
| tree | 9c730b9ae871fc56ec3e0ec418186c955336545a /drivers/net/fjes/fjes_hw.c | |
| parent | fjes: tx_stall_task (diff) | |
| download | linux-265859309a761b4eec36620b324c9eb27a3cfee1.tar.xz linux-265859309a761b4eec36620b324c9eb27a3cfee1.zip | |
fjes: NAPI polling function
This patch adds NAPI polling function and receive related work.
Signed-off-by: Taku Izumi <izumi.taku@jp.fujitsu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/fjes/fjes_hw.c')
| -rw-r--r-- | drivers/net/fjes/fjes_hw.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/drivers/net/fjes/fjes_hw.c b/drivers/net/fjes/fjes_hw.c index 487dbc6b7c43..3c96d06d15cf 100644 --- a/drivers/net/fjes/fjes_hw.c +++ b/drivers/net/fjes/fjes_hw.c @@ -825,6 +825,46 @@ bool fjes_hw_check_vlan_id(struct epbuf_handler *epbh, u16 vlan_id) return ret; } +bool fjes_hw_epbuf_rx_is_empty(struct epbuf_handler *epbh) +{ + union ep_buffer_info *info = epbh->info; + + if (info->v1i.count_max == 0) + return true; + + return EP_RING_EMPTY(info->v1i.head, info->v1i.tail, + info->v1i.count_max); +} + +void *fjes_hw_epbuf_rx_curpkt_get_addr(struct epbuf_handler *epbh, + size_t *psize) +{ + union ep_buffer_info *info = epbh->info; + struct esmem_frame *ring_frame; + void *frame; + + ring_frame = (struct esmem_frame *)&(epbh->ring[EP_RING_INDEX + (info->v1i.head, + info->v1i.count_max) * + info->v1i.frame_max]); + + *psize = (size_t)ring_frame->frame_size; + + frame = ring_frame->frame_data; + + return frame; +} + +void fjes_hw_epbuf_rx_curpkt_drop(struct epbuf_handler *epbh) +{ + union ep_buffer_info *info = epbh->info; + + if (fjes_hw_epbuf_rx_is_empty(epbh)) + return; + + EP_RING_INDEX_INC(epbh->info->v1i.head, info->v1i.count_max); +} + int fjes_hw_epbuf_tx_pkt_send(struct epbuf_handler *epbh, void *frame, size_t size) { |