diff options
-rw-r--r-- | drivers/net/ixgbe/ixgbe_fcoe.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/net/ixgbe/ixgbe_fcoe.c b/drivers/net/ixgbe/ixgbe_fcoe.c index 700cfc0aa1b9..e1978da49e5b 100644 --- a/drivers/net/ixgbe/ixgbe_fcoe.c +++ b/drivers/net/ixgbe/ixgbe_fcoe.c | |||
@@ -202,6 +202,15 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, | |||
202 | addr = sg_dma_address(sg); | 202 | addr = sg_dma_address(sg); |
203 | len = sg_dma_len(sg); | 203 | len = sg_dma_len(sg); |
204 | while (len) { | 204 | while (len) { |
205 | /* max number of buffers allowed in one DDP context */ | ||
206 | if (j >= IXGBE_BUFFCNT_MAX) { | ||
207 | netif_err(adapter, drv, adapter->netdev, | ||
208 | "xid=%x:%d,%d,%d:addr=%llx " | ||
209 | "not enough descriptors\n", | ||
210 | xid, i, j, dmacount, (u64)addr); | ||
211 | goto out_noddp_free; | ||
212 | } | ||
213 | |||
205 | /* get the offset of length of current buffer */ | 214 | /* get the offset of length of current buffer */ |
206 | thisoff = addr & ((dma_addr_t)bufflen - 1); | 215 | thisoff = addr & ((dma_addr_t)bufflen - 1); |
207 | thislen = min((bufflen - thisoff), len); | 216 | thislen = min((bufflen - thisoff), len); |
@@ -227,20 +236,13 @@ int ixgbe_fcoe_ddp_get(struct net_device *netdev, u16 xid, | |||
227 | len -= thislen; | 236 | len -= thislen; |
228 | addr += thislen; | 237 | addr += thislen; |
229 | j++; | 238 | j++; |
230 | /* max number of buffers allowed in one DDP context */ | ||
231 | if (j > IXGBE_BUFFCNT_MAX) { | ||
232 | DPRINTK(DRV, ERR, "xid=%x:%d,%d,%d:addr=%llx " | ||
233 | "not enough descriptors\n", | ||
234 | xid, i, j, dmacount, (u64)addr); | ||
235 | goto out_noddp_free; | ||
236 | } | ||
237 | } | 239 | } |
238 | } | 240 | } |
239 | /* only the last buffer may have non-full bufflen */ | 241 | /* only the last buffer may have non-full bufflen */ |
240 | lastsize = thisoff + thislen; | 242 | lastsize = thisoff + thislen; |
241 | 243 | ||
242 | fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT); | 244 | fcbuff = (IXGBE_FCBUFF_4KB << IXGBE_FCBUFF_BUFFSIZE_SHIFT); |
243 | fcbuff |= (j << IXGBE_FCBUFF_BUFFCNT_SHIFT); | 245 | fcbuff |= ((j & 0xff) << IXGBE_FCBUFF_BUFFCNT_SHIFT); |
244 | fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT); | 246 | fcbuff |= (firstoff << IXGBE_FCBUFF_OFFSET_SHIFT); |
245 | fcbuff |= (IXGBE_FCBUFF_VALID); | 247 | fcbuff |= (IXGBE_FCBUFF_VALID); |
246 | 248 | ||