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authorKonstantin Ananyev <konstantin.ananyev@intel.com>2015-04-30 00:31:51 +0100
committerThomas Monjalon <thomas.monjalon@6wind.com>2015-05-11 15:51:14 +0200
commit824cb29c0e7b8a2b3ed285546c3a39a8e0b3cd44 (patch)
tree2bb414d2d372af4784f915b413c03e5795da49e2 /examples/skeleton
parent11f51a26d3e3a3cf78efa4c0a20d6aa5b29117c2 (diff)
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apps: fix default mbuf size
Latest mbuf changes (priv_size addition and related fixes) exposed small problem with testpmd and few other sample apps: when mbuf size is exaclty 2KB or less, that causes ixgbe PMD to select scattered RX even for configs with 'normal' max packet length (max_rx_pkt_len == ETHER_MAX_LEN). To overcome that problem and unify the code, new macro was created to represent recommended minimal buffer length for mbuf. When appropriate, samples are updated to use that macro. Fixes: dfb03bbe2b ("app/testpmd: use standard functions to initialize mbufs and mbuf pool") Signed-off-by: Konstantin Ananyev <konstantin.ananyev@intel.com> Acked-by: Olivier Matz <olivier.matz@6wind.com>
Diffstat (limited to 'examples/skeleton')
-rw-r--r--examples/skeleton/basicfwd.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/examples/skeleton/basicfwd.c b/examples/skeleton/basicfwd.c
index ae606bf..c89822c 100644
--- a/examples/skeleton/basicfwd.c
+++ b/examples/skeleton/basicfwd.c
@@ -43,7 +43,6 @@
#define TX_RING_SIZE 512
#define NUM_MBUFS 8191
-#define MBUF_DATA_SIZE (1600 + RTE_PKTMBUF_HEADROOM)
#define MBUF_CACHE_SIZE 250
#define BURST_SIZE 32
@@ -191,7 +190,7 @@ main(int argc, char *argv[])
/* Creates a new mempool in memory to hold the mbufs. */
mbuf_pool = rte_pktmbuf_pool_create("MBUF_POOL", NUM_MBUFS * nb_ports,
- MBUF_CACHE_SIZE, 0, MBUF_DATA_SIZE, rte_socket_id());
+ MBUF_CACHE_SIZE, 0, RTE_MBUF_DEFAULT_BUF_SIZE, rte_socket_id());
if (mbuf_pool == NULL)
rte_exit(EXIT_FAILURE, "Cannot create mbuf pool\n");