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netmap: pipes: make sure both ends use the same number of slots

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This commit is contained in:
Vincenzo Maffione 2018-12-21 11:32:55 +00:00
parent a5178bca19
commit c52382bd40
1 changed files with 3 additions and 1 deletions
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4
sys/dev/netmap/netmap_pipe.c
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@ -782,9 +782,11 @@ netmap_get_pipe_na(struct nmreq_header *hdr, struct netmap_adapter **na,
/* most fields are the same, copy from master and then fix */
*sna = *mna;
sna->up.nm_mem = netmap_mem_get(mna->up.nm_mem);
/* swap the number of tx/rx rings */
/* swap the number of tx/rx rings and slots */
sna->up.num_tx_rings = mna->up.num_rx_rings;
sna->up.num_tx_desc = mna->up.num_rx_desc;
sna->up.num_rx_rings = mna->up.num_tx_rings;
sna->up.num_rx_desc = mna->up.num_tx_desc;
snprintf(sna->up.name, sizeof(sna->up.name), "%s}%s", pna->name, pipe_id);
sna->role = NM_PIPE_ROLE_SLAVE;
error = netmap_attach_common(&sna->up);