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ix, ixv: Read msix_bar from device configuration

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Instead of predicting the MSI-X bar index based on the device's MAC
type, read it from the device's PCI configuration instead.

PR:		239704
Submitted by:	Piotr Pietruszewski <piotr.pietruszewski@intel.com>
Reviewed by:	erj@
MFC after:	3 days
Sponsored by:	Intel Corporation
Differential Revision:	https://reviews.freebsd.org/D21547
This commit is contained in:
erj 2019-09-24 17:06:32 +00:00
parent ff0d702014
commit a9cf046cef
3 changed files with 4 additions and 5 deletions
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5
sys/dev/ixgbe/if_ix.c
View File

@ -1012,12 +1012,13 @@ ixgbe_if_attach_pre(if_ctx_t ctx)
CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_TSO;
if (adapter->hw.mac.type == ixgbe_mac_82598EB) {
scctx->isc_tx_nsegments = IXGBE_82598_SCATTER;
scctx->isc_msix_bar = PCIR_BAR(MSIX_82598_BAR);
} else {
scctx->isc_tx_csum_flags |= CSUM_SCTP |CSUM_IP6_SCTP;
scctx->isc_tx_nsegments = IXGBE_82599_SCATTER;
scctx->isc_msix_bar = PCIR_BAR(MSIX_82599_BAR);
}
scctx->isc_msix_bar = pci_msix_table_bar(dev);
scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments;
scctx->isc_tx_tso_size_max = IXGBE_TSO_SIZE;
scctx->isc_tx_tso_segsize_max = PAGE_SIZE;

2
sys/dev/ixgbe/if_ixv.c
View File

@ -494,7 +494,7 @@ ixv_if_attach_pre(if_ctx_t ctx)
scctx->isc_tx_csum_flags = CSUM_IP | CSUM_TCP | CSUM_UDP | CSUM_TSO |
CSUM_IP6_TCP | CSUM_IP6_UDP | CSUM_IP6_TSO;
scctx->isc_tx_nsegments = IXGBE_82599_SCATTER;
scctx->isc_msix_bar = PCIR_BAR(MSIX_82598_BAR);
scctx->isc_msix_bar = pci_msix_table_bar(dev);
scctx->isc_tx_tso_segments_max = scctx->isc_tx_nsegments;
scctx->isc_tx_tso_size_max = IXGBE_TSO_SIZE;
scctx->isc_tx_tso_segsize_max = PAGE_SIZE;

2
sys/dev/ixgbe/ixgbe.h
View File

@ -189,8 +189,6 @@
#define MAX_NUM_MULTICAST_ADDRESSES 128
#define IXGBE_82598_SCATTER 100
#define IXGBE_82599_SCATTER 32
#define MSIX_82598_BAR 3
#define MSIX_82599_BAR 4
#define IXGBE_TSO_SIZE 262140
#define IXGBE_RX_HDR 128
#define IXGBE_VFTA_SIZE 128