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rename the 'tag' and 'map' fields used the rx ring to their

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previous names, 'ptag' and 'pmap' -- p stands for packet.

This change reduces the difference between the code in stable/9
and head, and also helps using the same ixgbe_netmap.h on both branches.

Approved by:	Jack Vogel
This commit is contained in:
Luigi Rizzo 2012-12-20 22:26:03 +00:00
parent 616d12b739
commit 60372f6f58
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=244514
3 changed files with 27 additions and 27 deletions
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42
sys/dev/ixgbe/ixgbe.c
View File

@ -3721,8 +3721,8 @@ ixgbe_refresh_mbufs(struct rx_ring *rxr, int limit)
*/
if ((rxbuf->flags & IXGBE_RX_COPY) == 0) {
/* Get the memory mapping */
error = bus_dmamap_load_mbuf_sg(rxr->tag,
rxbuf->map, mp, seg, &nsegs, BUS_DMA_NOWAIT);
error = bus_dmamap_load_mbuf_sg(rxr->ptag,
rxbuf->pmap, mp, seg, &nsegs, BUS_DMA_NOWAIT);
if (error != 0) {
printf("Refresh mbufs: payload dmamap load"
" failure - %d\n", error);
@ -3731,7 +3731,7 @@ ixgbe_refresh_mbufs(struct rx_ring *rxr, int limit)
goto update;
}
rxbuf->buf = mp;
bus_dmamap_sync(rxr->tag, rxbuf->map,
bus_dmamap_sync(rxr->ptag, rxbuf->pmap,
BUS_DMASYNC_PREREAD);
rxbuf->addr = rxr->rx_base[i].read.pkt_addr =
htole64(seg[0].ds_addr);
@ -3790,15 +3790,15 @@ ixgbe_allocate_receive_buffers(struct rx_ring *rxr)
0, /* flags */
NULL, /* lockfunc */
NULL, /* lockfuncarg */
&rxr->tag))) {
&rxr->ptag))) {
device_printf(dev, "Unable to create RX DMA tag\n");
goto fail;
}
for (i = 0; i < rxr->num_desc; i++, rxbuf++) {
rxbuf = &rxr->rx_buffers[i];
error = bus_dmamap_create(rxr->tag,
BUS_DMA_NOWAIT, &rxbuf->map);
error = bus_dmamap_create(rxr->ptag,
BUS_DMA_NOWAIT, &rxbuf->pmap);
if (error) {
device_printf(dev, "Unable to create RX dma map\n");
goto fail;
@ -3897,9 +3897,9 @@ ixgbe_free_receive_ring(struct rx_ring *rxr)
for (i = 0; i < rxr->num_desc; i++) {
rxbuf = &rxr->rx_buffers[i];
if (rxbuf->buf != NULL) {
bus_dmamap_sync(rxr->tag, rxbuf->map,
bus_dmamap_sync(rxr->ptag, rxbuf->pmap,
BUS_DMASYNC_POSTREAD);
bus_dmamap_unload(rxr->tag, rxbuf->map);
bus_dmamap_unload(rxr->ptag, rxbuf->pmap);
rxbuf->buf->m_flags |= M_PKTHDR;
m_freem(rxbuf->buf);
rxbuf->buf = NULL;
@ -3966,7 +3966,7 @@ ixgbe_setup_receive_ring(struct rx_ring *rxr)
void *addr;
addr = PNMB(slot + sj, &paddr);
netmap_load_map(rxr->tag, rxbuf->map, addr);
netmap_load_map(rxr->ptag, rxbuf->pmap, addr);
/* Update descriptor */
rxr->rx_base[j].read.pkt_addr = htole64(paddr);
continue;
@ -3981,13 +3981,13 @@ ixgbe_setup_receive_ring(struct rx_ring *rxr)
mp = rxbuf->buf;
mp->m_pkthdr.len = mp->m_len = rxr->mbuf_sz;
/* Get the memory mapping */
error = bus_dmamap_load_mbuf_sg(rxr->tag,
rxbuf->map, mp, seg,
error = bus_dmamap_load_mbuf_sg(rxr->ptag,
rxbuf->pmap, mp, seg,
&nsegs, BUS_DMA_NOWAIT);
if (error != 0)
goto fail;
bus_dmamap_sync(rxr->tag,
rxbuf->map, BUS_DMASYNC_PREREAD);
bus_dmamap_sync(rxr->ptag,
rxbuf->pmap, BUS_DMASYNC_PREREAD);
/* Update descriptor */
rxr->rx_base[j].read.pkt_addr = htole64(seg[0].ds_addr);
}
@ -4237,16 +4237,16 @@ ixgbe_free_receive_buffers(struct rx_ring *rxr)
for (int i = 0; i < adapter->num_rx_desc; i++) {
rxbuf = &rxr->rx_buffers[i];
if (rxbuf->buf != NULL) {
bus_dmamap_sync(rxr->tag, rxbuf->map,
bus_dmamap_sync(rxr->ptag, rxbuf->pmap,
BUS_DMASYNC_POSTREAD);
bus_dmamap_unload(rxr->tag, rxbuf->map);
bus_dmamap_unload(rxr->ptag, rxbuf->pmap);
rxbuf->buf->m_flags |= M_PKTHDR;
m_freem(rxbuf->buf);
}
rxbuf->buf = NULL;
if (rxbuf->map != NULL) {
bus_dmamap_destroy(rxr->tag, rxbuf->map);
rxbuf->map = NULL;
if (rxbuf->pmap != NULL) {
bus_dmamap_destroy(rxr->ptag, rxbuf->pmap);
rxbuf->pmap = NULL;
}
}
if (rxr->rx_buffers != NULL) {
@ -4255,9 +4255,9 @@ ixgbe_free_receive_buffers(struct rx_ring *rxr)
}
}
if (rxr->tag != NULL) {
bus_dma_tag_destroy(rxr->tag);
rxr->tag = NULL;
if (rxr->ptag != NULL) {
bus_dma_tag_destroy(rxr->ptag);
rxr->ptag = NULL;
}
return;

4
sys/dev/ixgbe/ixgbe.h
View File

@ -247,7 +247,7 @@ struct ixgbe_tx_buf {
struct ixgbe_rx_buf {
struct mbuf *buf;
struct mbuf *fmp;
bus_dmamap_t map;
bus_dmamap_t pmap;
u_int flags;
#define IXGBE_RX_COPY 0x01
uint64_t addr;
@ -348,7 +348,7 @@ struct rx_ring {
u16 process_limit;
char mtx_name[16];
struct ixgbe_rx_buf *rx_buffers;
bus_dma_tag_t tag;
bus_dma_tag_t ptag;
u32 bytes; /* Used for AIM calc */
u32 packets;

8
sys/dev/netmap/ixgbe_netmap.h
View File

@ -503,8 +503,8 @@ ixgbe_netmap_rxsync(struct ifnet *ifp, u_int ring_nr, int do_lock)
ring->slot[j].len = le16toh(curr->wb.upper.length) - crclen;
if (ix_write_len)
D("rx[%d] len %d", j, ring->slot[j].len);
bus_dmamap_sync(rxr->tag,
rxr->rx_buffers[l].map, BUS_DMASYNC_POSTREAD);
bus_dmamap_sync(rxr->ptag,
rxr->rx_buffers[l].pmap, BUS_DMASYNC_POSTREAD);
j = (j == lim) ? 0 : j + 1;
l = (l == lim) ? 0 : l + 1;
}
@ -556,12 +556,12 @@ ixgbe_netmap_rxsync(struct ifnet *ifp, u_int ring_nr, int do_lock)
goto ring_reset;
if (slot->flags & NS_BUF_CHANGED) {
netmap_reload_map(rxr->tag, rxbuf->map, addr);
netmap_reload_map(rxr->ptag, rxbuf->pmap, addr);
slot->flags &= ~NS_BUF_CHANGED;
}
curr->wb.upper.status_error = 0;
curr->read.pkt_addr = htole64(paddr);
bus_dmamap_sync(rxr->tag, rxbuf->map,
bus_dmamap_sync(rxr->ptag, rxbuf->pmap,
BUS_DMASYNC_PREREAD);
j = (j == lim) ? 0 : j + 1;
l = (l == lim) ? 0 : l + 1;