diff options
| -rw-r--r-- | sys/cam/ctl/ctl_frontend_iscsi.c | 2 | ||||
| -rw-r--r-- | sys/dev/cxgbe/cxgbei/cxgbei.c | 18 | ||||
| -rw-r--r-- | sys/dev/cxgbe/cxgbei/cxgbei.h | 1 | ||||
| -rw-r--r-- | sys/dev/cxgbe/cxgbei/icl_cxgbei.c | 1 | ||||
| -rw-r--r-- | sys/dev/iscsi/icl.h | 8 |
5 files changed, 20 insertions, 10 deletions
diff --git a/sys/cam/ctl/ctl_frontend_iscsi.c b/sys/cam/ctl/ctl_frontend_iscsi.c index b8fafcea69ed..0cbe3bcefc73 100644 --- a/sys/cam/ctl/ctl_frontend_iscsi.c +++ b/sys/cam/ctl/ctl_frontend_iscsi.c @@ -917,7 +917,7 @@ cfiscsi_pdu_handle_data_out(struct icl_pdu *request) cfiscsi_session_terminate(cs); return; } - cdw->cdw_datasn++; + cdw->cdw_datasn += request->ip_additional_pdus + 1; io = cdw->cdw_ctl_io; KASSERT((io->io_hdr.flags & CTL_FLAG_DATA_MASK) != CTL_FLAG_DATA_IN, diff --git a/sys/dev/cxgbe/cxgbei/cxgbei.c b/sys/dev/cxgbe/cxgbei/cxgbei.c index 8dc580d65770..6af7043460fb 100644 --- a/sys/dev/cxgbe/cxgbei/cxgbei.c +++ b/sys/dev/cxgbe/cxgbei/cxgbei.c @@ -583,10 +583,12 @@ do_rx_iscsi_cmp(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m) cmp->next_buffer_offset; if (prev_seg_len != 0) { + uint32_t orig_datasn; + /* - * Since cfiscsi doesn't know about previous - * headers, pretend that the entire r2t data - * length was received in this single segment. + * Return a "large" PDU representing the burst + * of PDUs. Adjust the offset and length of + * this PDU to represent the entire burst. */ ip->ip_data_len += prev_seg_len; bhsdo->bhsdo_data_segment_len[2] = ip->ip_data_len; @@ -595,17 +597,19 @@ do_rx_iscsi_cmp(struct sge_iq *iq, const struct rss_header *rss, struct mbuf *m) bhsdo->bhsdo_buffer_offset = htobe32(cmp->next_buffer_offset); - npdus = htobe32(bhsdo->bhsdo_datasn) - cmp->last_datasn; + orig_datasn = htobe32(bhsdo->bhsdo_datasn); + npdus = orig_datasn - cmp->last_datasn; + bhsdo->bhsdo_datasn = htobe32(cmp->last_datasn + 1); + cmp->last_datasn = orig_datasn; + ip->ip_additional_pdus = npdus - 1; } else { MPASS(htobe32(bhsdo->bhsdo_datasn) == cmp->last_datasn + 1); npdus = 1; + cmp->last_datasn = htobe32(bhsdo->bhsdo_datasn); } cmp->next_buffer_offset += ip->ip_data_len; - cmp->last_datasn = htobe32(bhsdo->bhsdo_datasn); - bhsdo->bhsdo_datasn = htobe32(cmp->next_datasn); - cmp->next_datasn++; toep->ofld_rxq->rx_iscsi_ddp_pdus += npdus; toep->ofld_rxq->rx_iscsi_ddp_octets += ip->ip_data_len; } else { diff --git a/sys/dev/cxgbe/cxgbei/cxgbei.h b/sys/dev/cxgbe/cxgbei/cxgbei.h index 20754fa893a8..09d556988091 100644 --- a/sys/dev/cxgbe/cxgbei/cxgbei.h +++ b/sys/dev/cxgbe/cxgbei/cxgbei.h @@ -58,7 +58,6 @@ struct cxgbei_cmp { uint32_t tt; /* Transfer tag. */ - uint32_t next_datasn; uint32_t next_buffer_offset; uint32_t last_datasn; }; diff --git a/sys/dev/cxgbe/cxgbei/icl_cxgbei.c b/sys/dev/cxgbe/cxgbei/icl_cxgbei.c index a6e7f8b95815..687fc545cebd 100644 --- a/sys/dev/cxgbe/cxgbei/icl_cxgbei.c +++ b/sys/dev/cxgbe/cxgbei/icl_cxgbei.c @@ -1346,7 +1346,6 @@ no_ddp: prsv->prsv_tag &= ~pr->pr_alias_mask; prsv->prsv_tag |= alias << pr->pr_alias_shift & pr->pr_alias_mask; - ddp->cmp.next_datasn = 0; ddp->cmp.last_datasn = -1; cxgbei_insert_cmp(icc, &ddp->cmp, prsv->prsv_tag); *tttp = htobe32(prsv->prsv_tag); diff --git a/sys/dev/iscsi/icl.h b/sys/dev/iscsi/icl.h index bd12569a8957..07dcbbf2a0b5 100644 --- a/sys/dev/iscsi/icl.h +++ b/sys/dev/iscsi/icl.h @@ -76,6 +76,14 @@ struct icl_pdu { struct mbuf *ip_data_mbuf; /* + * When a "large" received PDU represents multiple on-the-wire + * PDUs, this is the count of additional on-the-wire PDUs. + * For PDUs that match on-the-wire PDUs, this should be set to + * zero. + */ + u_int ip_additional_pdus; + + /* * User (initiator or provider) private fields. */ void *ip_prv0; |