diff options
author | Francois Romieu <romieu@fr.zoreil.com> | 2008-07-31 16:10:10 -0400 |
---|---|---|
committer | Francois Romieu <romieu@fr.zoreil.com> | 2008-07-31 17:08:04 -0400 |
commit | 0fe9f15ee8bd652242a778ddfd30aa6d97a98e23 (patch) | |
tree | 04051defa1e9e6924a5a169aa09aaf68ae07828e /drivers | |
parent | 031cf19e6f63941506c9baf76ac7adac06edcf08 (diff) |
via-velocity: separated struct allow wholesale copy during MTU changes.
It should help people fix the bugs in my code :o)
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/via-velocity.c | 173 | ||||
-rw-r--r-- | drivers/net/via-velocity.h | 50 |
2 files changed, 114 insertions, 109 deletions
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index 370ce30f2f45..ad3c6733bde7 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c | |||
@@ -677,16 +677,16 @@ static void velocity_rx_reset(struct velocity_info *vptr) | |||
677 | struct mac_regs __iomem * regs = vptr->mac_regs; | 677 | struct mac_regs __iomem * regs = vptr->mac_regs; |
678 | int i; | 678 | int i; |
679 | 679 | ||
680 | vptr->rd_dirty = vptr->rd_filled = vptr->rd_curr = 0; | 680 | vptr->rx.dirty = vptr->rx.filled = vptr->rx.curr = 0; |
681 | 681 | ||
682 | /* | 682 | /* |
683 | * Init state, all RD entries belong to the NIC | 683 | * Init state, all RD entries belong to the NIC |
684 | */ | 684 | */ |
685 | for (i = 0; i < vptr->options.numrx; ++i) | 685 | for (i = 0; i < vptr->options.numrx; ++i) |
686 | vptr->rd_ring[i].rdesc0.len |= OWNED_BY_NIC; | 686 | vptr->rx.ring[i].rdesc0.len |= OWNED_BY_NIC; |
687 | 687 | ||
688 | writew(vptr->options.numrx, ®s->RBRDU); | 688 | writew(vptr->options.numrx, ®s->RBRDU); |
689 | writel(vptr->rd_pool_dma, ®s->RDBaseLo); | 689 | writel(vptr->rx.pool_dma, ®s->RDBaseLo); |
690 | writew(0, ®s->RDIdx); | 690 | writew(0, ®s->RDIdx); |
691 | writew(vptr->options.numrx - 1, ®s->RDCSize); | 691 | writew(vptr->options.numrx - 1, ®s->RDCSize); |
692 | } | 692 | } |
@@ -779,15 +779,15 @@ static void velocity_init_registers(struct velocity_info *vptr, | |||
779 | 779 | ||
780 | vptr->int_mask = INT_MASK_DEF; | 780 | vptr->int_mask = INT_MASK_DEF; |
781 | 781 | ||
782 | writel(vptr->rd_pool_dma, ®s->RDBaseLo); | 782 | writel(vptr->rx.pool_dma, ®s->RDBaseLo); |
783 | writew(vptr->options.numrx - 1, ®s->RDCSize); | 783 | writew(vptr->options.numrx - 1, ®s->RDCSize); |
784 | mac_rx_queue_run(regs); | 784 | mac_rx_queue_run(regs); |
785 | mac_rx_queue_wake(regs); | 785 | mac_rx_queue_wake(regs); |
786 | 786 | ||
787 | writew(vptr->options.numtx - 1, ®s->TDCSize); | 787 | writew(vptr->options.numtx - 1, ®s->TDCSize); |
788 | 788 | ||
789 | for (i = 0; i < vptr->num_txq; i++) { | 789 | for (i = 0; i < vptr->tx.numq; i++) { |
790 | writel(vptr->td_pool_dma[i], ®s->TDBaseLo[i]); | 790 | writel(vptr->tx.pool_dma[i], ®s->TDBaseLo[i]); |
791 | mac_tx_queue_run(regs, i); | 791 | mac_tx_queue_run(regs, i); |
792 | } | 792 | } |
793 | 793 | ||
@@ -1047,7 +1047,7 @@ static void __devinit velocity_init_info(struct pci_dev *pdev, | |||
1047 | 1047 | ||
1048 | vptr->pdev = pdev; | 1048 | vptr->pdev = pdev; |
1049 | vptr->chip_id = info->chip_id; | 1049 | vptr->chip_id = info->chip_id; |
1050 | vptr->num_txq = info->txqueue; | 1050 | vptr->tx.numq = info->txqueue; |
1051 | vptr->multicast_limit = MCAM_SIZE; | 1051 | vptr->multicast_limit = MCAM_SIZE; |
1052 | spin_lock_init(&vptr->lock); | 1052 | spin_lock_init(&vptr->lock); |
1053 | INIT_LIST_HEAD(&vptr->list); | 1053 | INIT_LIST_HEAD(&vptr->list); |
@@ -1116,7 +1116,7 @@ static int velocity_init_rings(struct velocity_info *vptr) | |||
1116 | * pci_alloc_consistent() fulfills the requirement for 64 bytes | 1116 | * pci_alloc_consistent() fulfills the requirement for 64 bytes |
1117 | * alignment | 1117 | * alignment |
1118 | */ | 1118 | */ |
1119 | pool = pci_alloc_consistent(pdev, tx_ring_size * vptr->num_txq + | 1119 | pool = pci_alloc_consistent(pdev, tx_ring_size * vptr->tx.numq + |
1120 | rx_ring_size, &pool_dma); | 1120 | rx_ring_size, &pool_dma); |
1121 | if (!pool) { | 1121 | if (!pool) { |
1122 | dev_err(&pdev->dev, "%s : DMA memory allocation failed.\n", | 1122 | dev_err(&pdev->dev, "%s : DMA memory allocation failed.\n", |
@@ -1124,15 +1124,15 @@ static int velocity_init_rings(struct velocity_info *vptr) | |||
1124 | return -ENOMEM; | 1124 | return -ENOMEM; |
1125 | } | 1125 | } |
1126 | 1126 | ||
1127 | vptr->rd_ring = pool; | 1127 | vptr->rx.ring = pool; |
1128 | vptr->rd_pool_dma = pool_dma; | 1128 | vptr->rx.pool_dma = pool_dma; |
1129 | 1129 | ||
1130 | pool += rx_ring_size; | 1130 | pool += rx_ring_size; |
1131 | pool_dma += rx_ring_size; | 1131 | pool_dma += rx_ring_size; |
1132 | 1132 | ||
1133 | for (i = 0; i < vptr->num_txq; i++) { | 1133 | for (i = 0; i < vptr->tx.numq; i++) { |
1134 | vptr->td_rings[i] = pool; | 1134 | vptr->tx.rings[i] = pool; |
1135 | vptr->td_pool_dma[i] = pool_dma; | 1135 | vptr->tx.pool_dma[i] = pool_dma; |
1136 | pool += tx_ring_size; | 1136 | pool += tx_ring_size; |
1137 | pool_dma += tx_ring_size; | 1137 | pool_dma += tx_ring_size; |
1138 | } | 1138 | } |
@@ -1150,9 +1150,9 @@ static int velocity_init_rings(struct velocity_info *vptr) | |||
1150 | static void velocity_free_rings(struct velocity_info *vptr) | 1150 | static void velocity_free_rings(struct velocity_info *vptr) |
1151 | { | 1151 | { |
1152 | const int size = vptr->options.numrx * sizeof(struct rx_desc) + | 1152 | const int size = vptr->options.numrx * sizeof(struct rx_desc) + |
1153 | vptr->options.numtx * sizeof(struct tx_desc) * vptr->num_txq; | 1153 | vptr->options.numtx * sizeof(struct tx_desc) * vptr->tx.numq; |
1154 | 1154 | ||
1155 | pci_free_consistent(vptr->pdev, size, vptr->rd_ring, vptr->rd_pool_dma); | 1155 | pci_free_consistent(vptr->pdev, size, vptr->rx.ring, vptr->rx.pool_dma); |
1156 | } | 1156 | } |
1157 | 1157 | ||
1158 | static void velocity_give_many_rx_descs(struct velocity_info *vptr) | 1158 | static void velocity_give_many_rx_descs(struct velocity_info *vptr) |
@@ -1164,44 +1164,44 @@ static void velocity_give_many_rx_descs(struct velocity_info *vptr) | |||
1164 | * RD number must be equal to 4X per hardware spec | 1164 | * RD number must be equal to 4X per hardware spec |
1165 | * (programming guide rev 1.20, p.13) | 1165 | * (programming guide rev 1.20, p.13) |
1166 | */ | 1166 | */ |
1167 | if (vptr->rd_filled < 4) | 1167 | if (vptr->rx.filled < 4) |
1168 | return; | 1168 | return; |
1169 | 1169 | ||
1170 | wmb(); | 1170 | wmb(); |
1171 | 1171 | ||
1172 | unusable = vptr->rd_filled & 0x0003; | 1172 | unusable = vptr->rx.filled & 0x0003; |
1173 | dirty = vptr->rd_dirty - unusable; | 1173 | dirty = vptr->rx.dirty - unusable; |
1174 | for (avail = vptr->rd_filled & 0xfffc; avail; avail--) { | 1174 | for (avail = vptr->rx.filled & 0xfffc; avail; avail--) { |
1175 | dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1; | 1175 | dirty = (dirty > 0) ? dirty - 1 : vptr->options.numrx - 1; |
1176 | vptr->rd_ring[dirty].rdesc0.len |= OWNED_BY_NIC; | 1176 | vptr->rx.ring[dirty].rdesc0.len |= OWNED_BY_NIC; |
1177 | } | 1177 | } |
1178 | 1178 | ||
1179 | writew(vptr->rd_filled & 0xfffc, ®s->RBRDU); | 1179 | writew(vptr->rx.filled & 0xfffc, ®s->RBRDU); |
1180 | vptr->rd_filled = unusable; | 1180 | vptr->rx.filled = unusable; |
1181 | } | 1181 | } |
1182 | 1182 | ||
1183 | static int velocity_rx_refill(struct velocity_info *vptr) | 1183 | static int velocity_rx_refill(struct velocity_info *vptr) |
1184 | { | 1184 | { |
1185 | int dirty = vptr->rd_dirty, done = 0; | 1185 | int dirty = vptr->rx.dirty, done = 0; |
1186 | 1186 | ||
1187 | do { | 1187 | do { |
1188 | struct rx_desc *rd = vptr->rd_ring + dirty; | 1188 | struct rx_desc *rd = vptr->rx.ring + dirty; |
1189 | 1189 | ||
1190 | /* Fine for an all zero Rx desc at init time as well */ | 1190 | /* Fine for an all zero Rx desc at init time as well */ |
1191 | if (rd->rdesc0.len & OWNED_BY_NIC) | 1191 | if (rd->rdesc0.len & OWNED_BY_NIC) |
1192 | break; | 1192 | break; |
1193 | 1193 | ||
1194 | if (!vptr->rd_info[dirty].skb) { | 1194 | if (!vptr->rx.info[dirty].skb) { |
1195 | if (velocity_alloc_rx_buf(vptr, dirty) < 0) | 1195 | if (velocity_alloc_rx_buf(vptr, dirty) < 0) |
1196 | break; | 1196 | break; |
1197 | } | 1197 | } |
1198 | done++; | 1198 | done++; |
1199 | dirty = (dirty < vptr->options.numrx - 1) ? dirty + 1 : 0; | 1199 | dirty = (dirty < vptr->options.numrx - 1) ? dirty + 1 : 0; |
1200 | } while (dirty != vptr->rd_curr); | 1200 | } while (dirty != vptr->rx.curr); |
1201 | 1201 | ||
1202 | if (done) { | 1202 | if (done) { |
1203 | vptr->rd_dirty = dirty; | 1203 | vptr->rx.dirty = dirty; |
1204 | vptr->rd_filled += done; | 1204 | vptr->rx.filled += done; |
1205 | } | 1205 | } |
1206 | 1206 | ||
1207 | return done; | 1207 | return done; |
@@ -1209,7 +1209,7 @@ static int velocity_rx_refill(struct velocity_info *vptr) | |||
1209 | 1209 | ||
1210 | static void velocity_set_rxbufsize(struct velocity_info *vptr, int mtu) | 1210 | static void velocity_set_rxbufsize(struct velocity_info *vptr, int mtu) |
1211 | { | 1211 | { |
1212 | vptr->rx_buf_sz = (mtu <= ETH_DATA_LEN) ? PKT_BUF_SZ : mtu + 32; | 1212 | vptr->rx.buf_sz = (mtu <= ETH_DATA_LEN) ? PKT_BUF_SZ : mtu + 32; |
1213 | } | 1213 | } |
1214 | 1214 | ||
1215 | /** | 1215 | /** |
@@ -1224,12 +1224,12 @@ static int velocity_init_rd_ring(struct velocity_info *vptr) | |||
1224 | { | 1224 | { |
1225 | int ret = -ENOMEM; | 1225 | int ret = -ENOMEM; |
1226 | 1226 | ||
1227 | vptr->rd_info = kcalloc(vptr->options.numrx, | 1227 | vptr->rx.info = kcalloc(vptr->options.numrx, |
1228 | sizeof(struct velocity_rd_info), GFP_KERNEL); | 1228 | sizeof(struct velocity_rd_info), GFP_KERNEL); |
1229 | if (!vptr->rd_info) | 1229 | if (!vptr->rx.info) |
1230 | goto out; | 1230 | goto out; |
1231 | 1231 | ||
1232 | vptr->rd_filled = vptr->rd_dirty = vptr->rd_curr = 0; | 1232 | vptr->rx.filled = vptr->rx.dirty = vptr->rx.curr = 0; |
1233 | 1233 | ||
1234 | if (velocity_rx_refill(vptr) != vptr->options.numrx) { | 1234 | if (velocity_rx_refill(vptr) != vptr->options.numrx) { |
1235 | VELOCITY_PRT(MSG_LEVEL_ERR, KERN_ERR | 1235 | VELOCITY_PRT(MSG_LEVEL_ERR, KERN_ERR |
@@ -1255,18 +1255,18 @@ static void velocity_free_rd_ring(struct velocity_info *vptr) | |||
1255 | { | 1255 | { |
1256 | int i; | 1256 | int i; |
1257 | 1257 | ||
1258 | if (vptr->rd_info == NULL) | 1258 | if (vptr->rx.info == NULL) |
1259 | return; | 1259 | return; |
1260 | 1260 | ||
1261 | for (i = 0; i < vptr->options.numrx; i++) { | 1261 | for (i = 0; i < vptr->options.numrx; i++) { |
1262 | struct velocity_rd_info *rd_info = &(vptr->rd_info[i]); | 1262 | struct velocity_rd_info *rd_info = &(vptr->rx.info[i]); |
1263 | struct rx_desc *rd = vptr->rd_ring + i; | 1263 | struct rx_desc *rd = vptr->rx.ring + i; |
1264 | 1264 | ||
1265 | memset(rd, 0, sizeof(*rd)); | 1265 | memset(rd, 0, sizeof(*rd)); |
1266 | 1266 | ||
1267 | if (!rd_info->skb) | 1267 | if (!rd_info->skb) |
1268 | continue; | 1268 | continue; |
1269 | pci_unmap_single(vptr->pdev, rd_info->skb_dma, vptr->rx_buf_sz, | 1269 | pci_unmap_single(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz, |
1270 | PCI_DMA_FROMDEVICE); | 1270 | PCI_DMA_FROMDEVICE); |
1271 | rd_info->skb_dma = (dma_addr_t) NULL; | 1271 | rd_info->skb_dma = (dma_addr_t) NULL; |
1272 | 1272 | ||
@@ -1274,8 +1274,8 @@ static void velocity_free_rd_ring(struct velocity_info *vptr) | |||
1274 | rd_info->skb = NULL; | 1274 | rd_info->skb = NULL; |
1275 | } | 1275 | } |
1276 | 1276 | ||
1277 | kfree(vptr->rd_info); | 1277 | kfree(vptr->rx.info); |
1278 | vptr->rd_info = NULL; | 1278 | vptr->rx.info = NULL; |
1279 | } | 1279 | } |
1280 | 1280 | ||
1281 | /** | 1281 | /** |
@@ -1293,19 +1293,19 @@ static int velocity_init_td_ring(struct velocity_info *vptr) | |||
1293 | unsigned int j; | 1293 | unsigned int j; |
1294 | 1294 | ||
1295 | /* Init the TD ring entries */ | 1295 | /* Init the TD ring entries */ |
1296 | for (j = 0; j < vptr->num_txq; j++) { | 1296 | for (j = 0; j < vptr->tx.numq; j++) { |
1297 | curr = vptr->td_pool_dma[j]; | 1297 | curr = vptr->tx.pool_dma[j]; |
1298 | 1298 | ||
1299 | vptr->td_infos[j] = kcalloc(vptr->options.numtx, | 1299 | vptr->tx.infos[j] = kcalloc(vptr->options.numtx, |
1300 | sizeof(struct velocity_td_info), | 1300 | sizeof(struct velocity_td_info), |
1301 | GFP_KERNEL); | 1301 | GFP_KERNEL); |
1302 | if (!vptr->td_infos[j]) { | 1302 | if (!vptr->tx.infos[j]) { |
1303 | while(--j >= 0) | 1303 | while(--j >= 0) |
1304 | kfree(vptr->td_infos[j]); | 1304 | kfree(vptr->tx.infos[j]); |
1305 | return -ENOMEM; | 1305 | return -ENOMEM; |
1306 | } | 1306 | } |
1307 | 1307 | ||
1308 | vptr->td_tail[j] = vptr->td_curr[j] = vptr->td_used[j] = 0; | 1308 | vptr->tx.tail[j] = vptr->tx.curr[j] = vptr->tx.used[j] = 0; |
1309 | } | 1309 | } |
1310 | return 0; | 1310 | return 0; |
1311 | } | 1311 | } |
@@ -1317,7 +1317,7 @@ static int velocity_init_td_ring(struct velocity_info *vptr) | |||
1317 | static void velocity_free_td_ring_entry(struct velocity_info *vptr, | 1317 | static void velocity_free_td_ring_entry(struct velocity_info *vptr, |
1318 | int q, int n) | 1318 | int q, int n) |
1319 | { | 1319 | { |
1320 | struct velocity_td_info * td_info = &(vptr->td_infos[q][n]); | 1320 | struct velocity_td_info * td_info = &(vptr->tx.infos[q][n]); |
1321 | int i; | 1321 | int i; |
1322 | 1322 | ||
1323 | if (td_info == NULL) | 1323 | if (td_info == NULL) |
@@ -1349,15 +1349,15 @@ static void velocity_free_td_ring(struct velocity_info *vptr) | |||
1349 | { | 1349 | { |
1350 | int i, j; | 1350 | int i, j; |
1351 | 1351 | ||
1352 | for (j = 0; j < vptr->num_txq; j++) { | 1352 | for (j = 0; j < vptr->tx.numq; j++) { |
1353 | if (vptr->td_infos[j] == NULL) | 1353 | if (vptr->tx.infos[j] == NULL) |
1354 | continue; | 1354 | continue; |
1355 | for (i = 0; i < vptr->options.numtx; i++) { | 1355 | for (i = 0; i < vptr->options.numtx; i++) { |
1356 | velocity_free_td_ring_entry(vptr, j, i); | 1356 | velocity_free_td_ring_entry(vptr, j, i); |
1357 | 1357 | ||
1358 | } | 1358 | } |
1359 | kfree(vptr->td_infos[j]); | 1359 | kfree(vptr->tx.infos[j]); |
1360 | vptr->td_infos[j] = NULL; | 1360 | vptr->tx.infos[j] = NULL; |
1361 | } | 1361 | } |
1362 | } | 1362 | } |
1363 | 1363 | ||
@@ -1374,13 +1374,13 @@ static void velocity_free_td_ring(struct velocity_info *vptr) | |||
1374 | static int velocity_rx_srv(struct velocity_info *vptr, int status) | 1374 | static int velocity_rx_srv(struct velocity_info *vptr, int status) |
1375 | { | 1375 | { |
1376 | struct net_device_stats *stats = &vptr->stats; | 1376 | struct net_device_stats *stats = &vptr->stats; |
1377 | int rd_curr = vptr->rd_curr; | 1377 | int rd_curr = vptr->rx.curr; |
1378 | int works = 0; | 1378 | int works = 0; |
1379 | 1379 | ||
1380 | do { | 1380 | do { |
1381 | struct rx_desc *rd = vptr->rd_ring + rd_curr; | 1381 | struct rx_desc *rd = vptr->rx.ring + rd_curr; |
1382 | 1382 | ||
1383 | if (!vptr->rd_info[rd_curr].skb) | 1383 | if (!vptr->rx.info[rd_curr].skb) |
1384 | break; | 1384 | break; |
1385 | 1385 | ||
1386 | if (rd->rdesc0.len & OWNED_BY_NIC) | 1386 | if (rd->rdesc0.len & OWNED_BY_NIC) |
@@ -1412,7 +1412,7 @@ static int velocity_rx_srv(struct velocity_info *vptr, int status) | |||
1412 | rd_curr = 0; | 1412 | rd_curr = 0; |
1413 | } while (++works <= 15); | 1413 | } while (++works <= 15); |
1414 | 1414 | ||
1415 | vptr->rd_curr = rd_curr; | 1415 | vptr->rx.curr = rd_curr; |
1416 | 1416 | ||
1417 | if ((works > 0) && (velocity_rx_refill(vptr) > 0)) | 1417 | if ((works > 0) && (velocity_rx_refill(vptr) > 0)) |
1418 | velocity_give_many_rx_descs(vptr); | 1418 | velocity_give_many_rx_descs(vptr); |
@@ -1510,8 +1510,8 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) | |||
1510 | { | 1510 | { |
1511 | void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int); | 1511 | void (*pci_action)(struct pci_dev *, dma_addr_t, size_t, int); |
1512 | struct net_device_stats *stats = &vptr->stats; | 1512 | struct net_device_stats *stats = &vptr->stats; |
1513 | struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]); | 1513 | struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]); |
1514 | struct rx_desc *rd = &(vptr->rd_ring[idx]); | 1514 | struct rx_desc *rd = &(vptr->rx.ring[idx]); |
1515 | int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff; | 1515 | int pkt_len = le16_to_cpu(rd->rdesc0.len) & 0x3fff; |
1516 | struct sk_buff *skb; | 1516 | struct sk_buff *skb; |
1517 | 1517 | ||
@@ -1527,7 +1527,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) | |||
1527 | skb = rd_info->skb; | 1527 | skb = rd_info->skb; |
1528 | 1528 | ||
1529 | pci_dma_sync_single_for_cpu(vptr->pdev, rd_info->skb_dma, | 1529 | pci_dma_sync_single_for_cpu(vptr->pdev, rd_info->skb_dma, |
1530 | vptr->rx_buf_sz, PCI_DMA_FROMDEVICE); | 1530 | vptr->rx.buf_sz, PCI_DMA_FROMDEVICE); |
1531 | 1531 | ||
1532 | /* | 1532 | /* |
1533 | * Drop frame not meeting IEEE 802.3 | 1533 | * Drop frame not meeting IEEE 802.3 |
@@ -1550,7 +1550,7 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) | |||
1550 | rd_info->skb = NULL; | 1550 | rd_info->skb = NULL; |
1551 | } | 1551 | } |
1552 | 1552 | ||
1553 | pci_action(vptr->pdev, rd_info->skb_dma, vptr->rx_buf_sz, | 1553 | pci_action(vptr->pdev, rd_info->skb_dma, vptr->rx.buf_sz, |
1554 | PCI_DMA_FROMDEVICE); | 1554 | PCI_DMA_FROMDEVICE); |
1555 | 1555 | ||
1556 | skb_put(skb, pkt_len - 4); | 1556 | skb_put(skb, pkt_len - 4); |
@@ -1580,10 +1580,10 @@ static int velocity_receive_frame(struct velocity_info *vptr, int idx) | |||
1580 | 1580 | ||
1581 | static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx) | 1581 | static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx) |
1582 | { | 1582 | { |
1583 | struct rx_desc *rd = &(vptr->rd_ring[idx]); | 1583 | struct rx_desc *rd = &(vptr->rx.ring[idx]); |
1584 | struct velocity_rd_info *rd_info = &(vptr->rd_info[idx]); | 1584 | struct velocity_rd_info *rd_info = &(vptr->rx.info[idx]); |
1585 | 1585 | ||
1586 | rd_info->skb = netdev_alloc_skb(vptr->dev, vptr->rx_buf_sz + 64); | 1586 | rd_info->skb = dev_alloc_skb(vptr->rx.buf_sz + 64); |
1587 | if (rd_info->skb == NULL) | 1587 | if (rd_info->skb == NULL) |
1588 | return -ENOMEM; | 1588 | return -ENOMEM; |
1589 | 1589 | ||
@@ -1592,14 +1592,15 @@ static int velocity_alloc_rx_buf(struct velocity_info *vptr, int idx) | |||
1592 | * 64byte alignment. | 1592 | * 64byte alignment. |
1593 | */ | 1593 | */ |
1594 | skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->data & 63); | 1594 | skb_reserve(rd_info->skb, (unsigned long) rd_info->skb->data & 63); |
1595 | rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data, vptr->rx_buf_sz, PCI_DMA_FROMDEVICE); | 1595 | rd_info->skb_dma = pci_map_single(vptr->pdev, rd_info->skb->data, |
1596 | vptr->rx.buf_sz, PCI_DMA_FROMDEVICE); | ||
1596 | 1597 | ||
1597 | /* | 1598 | /* |
1598 | * Fill in the descriptor to match | 1599 | * Fill in the descriptor to match |
1599 | */ | 1600 | */ |
1600 | 1601 | ||
1601 | *((u32 *) & (rd->rdesc0)) = 0; | 1602 | *((u32 *) & (rd->rdesc0)) = 0; |
1602 | rd->size = cpu_to_le16(vptr->rx_buf_sz) | RX_INTEN; | 1603 | rd->size = cpu_to_le16(vptr->rx.buf_sz) | RX_INTEN; |
1603 | rd->pa_low = cpu_to_le32(rd_info->skb_dma); | 1604 | rd->pa_low = cpu_to_le32(rd_info->skb_dma); |
1604 | rd->pa_high = 0; | 1605 | rd->pa_high = 0; |
1605 | return 0; | 1606 | return 0; |
@@ -1625,15 +1626,15 @@ static int velocity_tx_srv(struct velocity_info *vptr, u32 status) | |||
1625 | struct velocity_td_info *tdinfo; | 1626 | struct velocity_td_info *tdinfo; |
1626 | struct net_device_stats *stats = &vptr->stats; | 1627 | struct net_device_stats *stats = &vptr->stats; |
1627 | 1628 | ||
1628 | for (qnum = 0; qnum < vptr->num_txq; qnum++) { | 1629 | for (qnum = 0; qnum < vptr->tx.numq; qnum++) { |
1629 | for (idx = vptr->td_tail[qnum]; vptr->td_used[qnum] > 0; | 1630 | for (idx = vptr->tx.tail[qnum]; vptr->tx.used[qnum] > 0; |
1630 | idx = (idx + 1) % vptr->options.numtx) { | 1631 | idx = (idx + 1) % vptr->options.numtx) { |
1631 | 1632 | ||
1632 | /* | 1633 | /* |
1633 | * Get Tx Descriptor | 1634 | * Get Tx Descriptor |
1634 | */ | 1635 | */ |
1635 | td = &(vptr->td_rings[qnum][idx]); | 1636 | td = &(vptr->tx.rings[qnum][idx]); |
1636 | tdinfo = &(vptr->td_infos[qnum][idx]); | 1637 | tdinfo = &(vptr->tx.infos[qnum][idx]); |
1637 | 1638 | ||
1638 | if (td->tdesc0.len & OWNED_BY_NIC) | 1639 | if (td->tdesc0.len & OWNED_BY_NIC) |
1639 | break; | 1640 | break; |
@@ -1657,9 +1658,9 @@ static int velocity_tx_srv(struct velocity_info *vptr, u32 status) | |||
1657 | stats->tx_bytes += tdinfo->skb->len; | 1658 | stats->tx_bytes += tdinfo->skb->len; |
1658 | } | 1659 | } |
1659 | velocity_free_tx_buf(vptr, tdinfo); | 1660 | velocity_free_tx_buf(vptr, tdinfo); |
1660 | vptr->td_used[qnum]--; | 1661 | vptr->tx.used[qnum]--; |
1661 | } | 1662 | } |
1662 | vptr->td_tail[qnum] = idx; | 1663 | vptr->tx.tail[qnum] = idx; |
1663 | 1664 | ||
1664 | if (AVAIL_TD(vptr, qnum) < 1) { | 1665 | if (AVAIL_TD(vptr, qnum) < 1) { |
1665 | full = 1; | 1666 | full = 1; |
@@ -2056,9 +2057,9 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2056 | 2057 | ||
2057 | spin_lock_irqsave(&vptr->lock, flags); | 2058 | spin_lock_irqsave(&vptr->lock, flags); |
2058 | 2059 | ||
2059 | index = vptr->td_curr[qnum]; | 2060 | index = vptr->tx.curr[qnum]; |
2060 | td_ptr = &(vptr->td_rings[qnum][index]); | 2061 | td_ptr = &(vptr->tx.rings[qnum][index]); |
2061 | tdinfo = &(vptr->td_infos[qnum][index]); | 2062 | tdinfo = &(vptr->tx.infos[qnum][index]); |
2062 | 2063 | ||
2063 | td_ptr->tdesc1.TCR = TCR0_TIC; | 2064 | td_ptr->tdesc1.TCR = TCR0_TIC; |
2064 | td_ptr->td_buf[0].size &= ~TD_QUEUE; | 2065 | td_ptr->td_buf[0].size &= ~TD_QUEUE; |
@@ -2071,9 +2072,9 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2071 | skb_copy_from_linear_data(skb, tdinfo->buf, skb->len); | 2072 | skb_copy_from_linear_data(skb, tdinfo->buf, skb->len); |
2072 | tdinfo->skb_dma[0] = tdinfo->buf_dma; | 2073 | tdinfo->skb_dma[0] = tdinfo->buf_dma; |
2073 | td_ptr->tdesc0.len = len; | 2074 | td_ptr->tdesc0.len = len; |
2074 | td_ptr->td_buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); | 2075 | td_ptr->tx.buf[0].pa_low = cpu_to_le32(tdinfo->skb_dma[0]); |
2075 | td_ptr->td_buf[0].pa_high = 0; | 2076 | td_ptr->tx.buf[0].pa_high = 0; |
2076 | td_ptr->td_buf[0].size = len; /* queue is 0 anyway */ | 2077 | td_ptr->tx.buf[0].size = len; /* queue is 0 anyway */ |
2077 | tdinfo->nskb_dma = 1; | 2078 | tdinfo->nskb_dma = 1; |
2078 | } else { | 2079 | } else { |
2079 | int i = 0; | 2080 | int i = 0; |
@@ -2084,9 +2085,9 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2084 | td_ptr->tdesc0.len = len; | 2085 | td_ptr->tdesc0.len = len; |
2085 | 2086 | ||
2086 | /* FIXME: support 48bit DMA later */ | 2087 | /* FIXME: support 48bit DMA later */ |
2087 | td_ptr->td_buf[i].pa_low = cpu_to_le32(tdinfo->skb_dma); | 2088 | td_ptr->tx.buf[i].pa_low = cpu_to_le32(tdinfo->skb_dma); |
2088 | td_ptr->td_buf[i].pa_high = 0; | 2089 | td_ptr->tx.buf[i].pa_high = 0; |
2089 | td_ptr->td_buf[i].size = cpu_to_le16(skb_headlen(skb)); | 2090 | td_ptr->tx.buf[i].size = cpu_to_le16(skb_headlen(skb)); |
2090 | 2091 | ||
2091 | for (i = 0; i < nfrags; i++) { | 2092 | for (i = 0; i < nfrags; i++) { |
2092 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | 2093 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; |
@@ -2094,9 +2095,9 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2094 | 2095 | ||
2095 | tdinfo->skb_dma[i + 1] = pci_map_single(vptr->pdev, addr, frag->size, PCI_DMA_TODEVICE); | 2096 | tdinfo->skb_dma[i + 1] = pci_map_single(vptr->pdev, addr, frag->size, PCI_DMA_TODEVICE); |
2096 | 2097 | ||
2097 | td_ptr->td_buf[i + 1].pa_low = cpu_to_le32(tdinfo->skb_dma[i + 1]); | 2098 | td_ptr->tx.buf[i + 1].pa_low = cpu_to_le32(tdinfo->skb_dma[i + 1]); |
2098 | td_ptr->td_buf[i + 1].pa_high = 0; | 2099 | td_ptr->tx.buf[i + 1].pa_high = 0; |
2099 | td_ptr->td_buf[i + 1].size = cpu_to_le16(frag->size); | 2100 | td_ptr->tx.buf[i + 1].size = cpu_to_le16(frag->size); |
2100 | } | 2101 | } |
2101 | tdinfo->nskb_dma = i - 1; | 2102 | tdinfo->nskb_dma = i - 1; |
2102 | } | 2103 | } |
@@ -2142,13 +2143,13 @@ static int velocity_xmit(struct sk_buff *skb, struct net_device *dev) | |||
2142 | if (prev < 0) | 2143 | if (prev < 0) |
2143 | prev = vptr->options.numtx - 1; | 2144 | prev = vptr->options.numtx - 1; |
2144 | td_ptr->tdesc0.len |= OWNED_BY_NIC; | 2145 | td_ptr->tdesc0.len |= OWNED_BY_NIC; |
2145 | vptr->td_used[qnum]++; | 2146 | vptr->tx.used[qnum]++; |
2146 | vptr->td_curr[qnum] = (index + 1) % vptr->options.numtx; | 2147 | vptr->tx.curr[qnum] = (index + 1) % vptr->options.numtx; |
2147 | 2148 | ||
2148 | if (AVAIL_TD(vptr, qnum) < 1) | 2149 | if (AVAIL_TD(vptr, qnum) < 1) |
2149 | netif_stop_queue(dev); | 2150 | netif_stop_queue(dev); |
2150 | 2151 | ||
2151 | td_ptr = &(vptr->td_rings[qnum][prev]); | 2152 | td_ptr = &(vptr->tx.rings[qnum][prev]); |
2152 | td_ptr->td_buf[0].size |= TD_QUEUE; | 2153 | td_ptr->td_buf[0].size |= TD_QUEUE; |
2153 | mac_tx_queue_wake(vptr->mac_regs, qnum); | 2154 | mac_tx_queue_wake(vptr->mac_regs, qnum); |
2154 | } | 2155 | } |
@@ -3405,8 +3406,8 @@ static int velocity_resume(struct pci_dev *pdev) | |||
3405 | 3406 | ||
3406 | velocity_tx_srv(vptr, 0); | 3407 | velocity_tx_srv(vptr, 0); |
3407 | 3408 | ||
3408 | for (i = 0; i < vptr->num_txq; i++) { | 3409 | for (i = 0; i < vptr->tx.numq; i++) { |
3409 | if (vptr->td_used[i]) { | 3410 | if (vptr->tx.used[i]) { |
3410 | mac_tx_queue_wake(vptr->mac_regs, i); | 3411 | mac_tx_queue_wake(vptr->mac_regs, i); |
3411 | } | 3412 | } |
3412 | } | 3413 | } |
diff --git a/drivers/net/via-velocity.h b/drivers/net/via-velocity.h index 86446147284c..1b95b04c9257 100644 --- a/drivers/net/via-velocity.h +++ b/drivers/net/via-velocity.h | |||
@@ -1494,6 +1494,10 @@ struct velocity_opt { | |||
1494 | u32 flags; | 1494 | u32 flags; |
1495 | }; | 1495 | }; |
1496 | 1496 | ||
1497 | #define AVAIL_TD(p,q) ((p)->options.numtx-((p)->tx.used[(q)])) | ||
1498 | |||
1499 | #define GET_RD_BY_IDX(vptr, idx) (vptr->rd_ring[idx]) | ||
1500 | |||
1497 | struct velocity_info { | 1501 | struct velocity_info { |
1498 | struct list_head list; | 1502 | struct list_head list; |
1499 | 1503 | ||
@@ -1501,9 +1505,6 @@ struct velocity_info { | |||
1501 | struct net_device *dev; | 1505 | struct net_device *dev; |
1502 | struct net_device_stats stats; | 1506 | struct net_device_stats stats; |
1503 | 1507 | ||
1504 | dma_addr_t rd_pool_dma; | ||
1505 | dma_addr_t td_pool_dma[TX_QUEUE_NO]; | ||
1506 | |||
1507 | struct vlan_group *vlgrp; | 1508 | struct vlan_group *vlgrp; |
1508 | u8 ip_addr[4]; | 1509 | u8 ip_addr[4]; |
1509 | enum chip_type chip_id; | 1510 | enum chip_type chip_id; |
@@ -1512,25 +1513,29 @@ struct velocity_info { | |||
1512 | unsigned long memaddr; | 1513 | unsigned long memaddr; |
1513 | unsigned long ioaddr; | 1514 | unsigned long ioaddr; |
1514 | 1515 | ||
1515 | u8 rev_id; | 1516 | struct tx_info { |
1516 | 1517 | int numq; | |
1517 | #define AVAIL_TD(p,q) ((p)->options.numtx-((p)->td_used[(q)])) | 1518 | |
1519 | /* FIXME: the locality of the data seems rather poor. */ | ||
1520 | int used[TX_QUEUE_NO]; | ||
1521 | int curr[TX_QUEUE_NO]; | ||
1522 | int tail[TX_QUEUE_NO]; | ||
1523 | struct tx_desc *rings[TX_QUEUE_NO]; | ||
1524 | struct velocity_td_info *infos[TX_QUEUE_NO]; | ||
1525 | dma_addr_t pool_dma[TX_QUEUE_NO]; | ||
1526 | } tx; | ||
1527 | |||
1528 | struct rx_info { | ||
1529 | int buf_sz; | ||
1530 | |||
1531 | int dirty; | ||
1532 | int curr; | ||
1533 | u32 filled; | ||
1534 | struct rx_desc *ring; | ||
1535 | struct velocity_rd_info *info; /* It's an array */ | ||
1536 | dma_addr_t pool_dma; | ||
1537 | } rx; | ||
1518 | 1538 | ||
1519 | int num_txq; | ||
1520 | |||
1521 | volatile int td_used[TX_QUEUE_NO]; | ||
1522 | int td_curr[TX_QUEUE_NO]; | ||
1523 | int td_tail[TX_QUEUE_NO]; | ||
1524 | struct tx_desc *td_rings[TX_QUEUE_NO]; | ||
1525 | struct velocity_td_info *td_infos[TX_QUEUE_NO]; | ||
1526 | |||
1527 | int rd_curr; | ||
1528 | int rd_dirty; | ||
1529 | u32 rd_filled; | ||
1530 | struct rx_desc *rd_ring; | ||
1531 | struct velocity_rd_info *rd_info; /* It's an array */ | ||
1532 | |||
1533 | #define GET_RD_BY_IDX(vptr, idx) (vptr->rd_ring[idx]) | ||
1534 | u32 mib_counter[MAX_HW_MIB_COUNTER]; | 1539 | u32 mib_counter[MAX_HW_MIB_COUNTER]; |
1535 | struct velocity_opt options; | 1540 | struct velocity_opt options; |
1536 | 1541 | ||
@@ -1538,7 +1543,6 @@ struct velocity_info { | |||
1538 | 1543 | ||
1539 | u32 flags; | 1544 | u32 flags; |
1540 | 1545 | ||
1541 | int rx_buf_sz; | ||
1542 | u32 mii_status; | 1546 | u32 mii_status; |
1543 | u32 phy_id; | 1547 | u32 phy_id; |
1544 | int multicast_limit; | 1548 | int multicast_limit; |
@@ -1554,8 +1558,8 @@ struct velocity_info { | |||
1554 | struct velocity_context context; | 1558 | struct velocity_context context; |
1555 | 1559 | ||
1556 | u32 ticks; | 1560 | u32 ticks; |
1557 | u32 rx_bytes; | ||
1558 | 1561 | ||
1562 | u8 rev_id; | ||
1559 | }; | 1563 | }; |
1560 | 1564 | ||
1561 | /** | 1565 | /** |