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bnxt: isc_nrxd_max and isc_ntxd_max must be powers of two

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Reviewed by:	gallatin, rpokala
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D24922
This commit is contained in:
Kristof Provost 2020-05-20 16:07:37 +00:00
parent db7ec3c3e6
commit 5fcaec1a0b
2 changed files with 7 additions and 2 deletions
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5
sys/dev/bnxt/bnxt.h
View File

@ -87,6 +87,11 @@ __FBSDID("$FreeBSD$");
#define NETXTREME_E_VF2 0x16d3
#define NETXTREME_E_VF3 0x16dc
/* Maximum numbers of RX and TX descriptors. iflib requires this to be a power
* of two. The hardware has no particular limitation. */
#define BNXT_MAX_RXD ((INT32_MAX >> 1) + 1)
#define BNXT_MAX_TXD ((INT32_MAX >> 1) + 1)
#define CSUM_OFFLOAD (CSUM_IP_TSO|CSUM_IP6_TSO|CSUM_IP| \
CSUM_IP_UDP|CSUM_IP_TCP|CSUM_IP_SCTP| \
CSUM_IP6_UDP|CSUM_IP6_TCP|CSUM_IP6_SCTP)

4
sys/dev/bnxt/if_bnxt.c
View File

@ -316,11 +316,11 @@ static struct if_shared_ctx bnxt_sctx_init = {
.isc_nrxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 8,
PAGE_SIZE / sizeof(struct rx_prod_pkt_bd),
PAGE_SIZE / sizeof(struct rx_prod_pkt_bd)},
.isc_nrxd_max = {INT32_MAX, INT32_MAX, INT32_MAX},
.isc_nrxd_max = {BNXT_MAX_RXD, BNXT_MAX_RXD, BNXT_MAX_RXD},
.isc_ntxd_min = {16, 16, 16},
.isc_ntxd_default = {PAGE_SIZE / sizeof(struct cmpl_base) * 2,
PAGE_SIZE / sizeof(struct tx_bd_short)},
.isc_ntxd_max = {INT32_MAX, INT32_MAX, INT32_MAX},
.isc_ntxd_max = {BNXT_MAX_TXD, BNXT_MAX_TXD, BNXT_MAX_TXD},
.isc_admin_intrcnt = 1,
.isc_vendor_info = bnxt_vendor_info_array,