Author: np
Date: Fri Mar 6 16:05:20 2015
New Revision: 279691
URL: https://svnweb.freebsd.org/changeset/base/279691
Log:
cxgbe(4): provide the correct size of freelists associated with netmap
rx queues to the chip. This will fix many problems with native netmap
rx on ncxl/ncxgbe interfaces.
MFC after: 1 week
Modified:
head/sys/dev/cxgbe/t4_netmap.c
Modified: head/sys/dev/cxgbe/t4_netmap.c
==============================================================================
--- head/sys/dev/cxgbe/t4_netmap.c Fri Mar 6 15:19:16 2015
(r279690)
+++ head/sys/dev/cxgbe/t4_netmap.c Fri Mar 6 16:05:20 2015
(r279691)
@@ -279,7 +279,7 @@ alloc_nm_rxq_hwq(struct port_info *pi, s
c.fl0dcaen_to_fl0cidxfthresh =
htobe16(V_FW_IQ_CMD_FL0FBMIN(X_FETCHBURSTMIN_64B) |
V_FW_IQ_CMD_FL0FBMAX(X_FETCHBURSTMAX_512B));
- c.fl0size = htobe16(na->num_rx_desc + spg_len / EQ_ESIZE);
+ c.fl0size = htobe16(na->num_rx_desc / 8 + spg_len / EQ_ESIZE);
c.fl0addr = htobe64(nm_rxq->fl_ba);
rc = -t4_wr_mbox(sc, sc->mbox, &c, sizeof(c), &c);
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