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iflib - flib_busdma_load_mbuf_sg used isc_tx_maxsize as max semgent size.

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Submitted by:	krzysztof.galazka@intel.com
Differential Revision:	https://reviews.freebsd.org/D11403
This commit is contained in:
sbruno 2017-07-03 19:23:45 +00:00
parent 247f67d439
commit 00c83bb626
1 changed files with 7 additions and 3 deletions
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10
sys/net/iflib.c
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@ -2892,7 +2892,7 @@ iflib_busdma_load_mbuf_sg(iflib_txq_t txq, bus_dma_tag_t tag, bus_dmamap_t map,
if_ctx_t ctx;
if_shared_ctx_t sctx;
if_softc_ctx_t scctx;
int i, next, pidx, err, maxsegsz, ntxd, count;
int i, next, pidx, err, ntxd, count;
struct mbuf *m, *tmp, **ifsd_m;
m = *m0;
@ -2935,13 +2935,17 @@ iflib_busdma_load_mbuf_sg(iflib_txq_t txq, bus_dma_tag_t tag, bus_dmamap_t map,
m = m->m_next;
} while (m != NULL);
} else {
int buflen, sgsize, max_sgsize;
int buflen, sgsize, maxsegsz, max_sgsize;
vm_offset_t vaddr;
vm_paddr_t curaddr;
count = i = 0;
maxsegsz = sctx->isc_tx_maxsize;
m = *m0;
if (m->m_pkthdr.csum_flags & CSUM_TSO)
maxsegsz = scctx->isc_tx_tso_segsize_max;
else
maxsegsz = sctx->isc_tx_maxsegsize;
do {
if (__predict_false(m->m_len <= 0)) {
tmp = m;