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authorPablo Cascón <pablo.cascon@netronome.com>2017-08-24 21:31:49 -0700
committerDavid S. Miller <davem@davemloft.net>2017-08-25 19:24:58 -0700
commit25528d90f541fa23cb7b862a7e9dc0b9c44d9adc (patch)
treebf1af52e40ed226d8cc62db2118bd90780ec4a99 /drivers/net/ethernet/netronome/nfp/nfp_net_main.c
parentbd9dfc54e39266ff67521c09d37e838077385b21 (diff)
downloadlinux-25528d90f541fa23cb7b862a7e9dc0b9c44d9adc.tar.bz2
nfp: add basic SR-IOV ndo functions
Add basic ndo_set/get_vf to support SR-IOV. VF to egress phy static mapping by now. Use vfcfg ABI version 2 to write the info to the FW and collect the return value from the mailbox. Signed-off-by: Pablo Cascón <pablo.cascon@netronome.com> Signed-off-by: Jimmy Kizito <jimmy.kizito@netronome.com> Signed-off-by: Rami Tomer <rami.tomer@netronome.com> Signed-off-by: Simon Horman <simon.horman@netronome.com> Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/netronome/nfp/nfp_net_main.c')
-rw-r--r--drivers/net/ethernet/netronome/nfp/nfp_net_main.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
index acdad6f20251..2da083fd5e13 100644
--- a/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
+++ b/drivers/net/ethernet/netronome/nfp/nfp_net_main.c
@@ -57,6 +57,7 @@
#include "nfpcore/nfp6000_pcie.h"
#include "nfp_app.h"
#include "nfp_net_ctrl.h"
+#include "nfp_net_sriov.h"
#include "nfp_net.h"
#include "nfp_main.h"
#include "nfp_port.h"
@@ -489,6 +490,8 @@ static void nfp_net_pf_app_stop(struct nfp_pf *pf)
static void nfp_net_pci_unmap_mem(struct nfp_pf *pf)
{
+ if (pf->vfcfg_tbl2_area)
+ nfp_cpp_area_release_free(pf->vfcfg_tbl2_area);
if (pf->vf_cfg_bar)
nfp_cpp_area_release_free(pf->vf_cfg_bar);
if (pf->mac_stats_bar)
@@ -535,17 +538,32 @@ static int nfp_net_pci_map_mem(struct nfp_pf *pf)
pf->vf_cfg_mem = NULL;
}
+ min_size = NFP_NET_VF_CFG_SZ * pf->limit_vfs + NFP_NET_VF_CFG_MB_SZ;
+ pf->vfcfg_tbl2 = nfp_net_pf_map_rtsym(pf, "net.vfcfg_tbl2",
+ "_pf%d_net_vf_cfg2",
+ min_size, &pf->vfcfg_tbl2_area);
+ if (IS_ERR(pf->vfcfg_tbl2)) {
+ if (PTR_ERR(pf->vfcfg_tbl2) != -ENOENT) {
+ err = PTR_ERR(pf->vfcfg_tbl2);
+ goto err_unmap_vf_cfg;
+ }
+ pf->vfcfg_tbl2 = NULL;
+ }
+
mem = nfp_cpp_map_area(pf->cpp, "net.qc", 0, 0,
NFP_PCIE_QUEUE(0), NFP_QCP_QUEUE_AREA_SZ,
&pf->qc_area);
if (IS_ERR(mem)) {
nfp_err(pf->cpp, "Failed to map Queue Controller area.\n");
err = PTR_ERR(mem);
- goto err_unmap_vf_cfg;
+ goto err_unmap_vfcfg_tbl2;
}
return 0;
+err_unmap_vfcfg_tbl2:
+ if (pf->vfcfg_tbl2_area)
+ nfp_cpp_area_release_free(pf->vfcfg_tbl2_area);
err_unmap_vf_cfg:
if (pf->vf_cfg_bar)
nfp_cpp_area_release_free(pf->vf_cfg_bar);