diff options
Diffstat (limited to 'package/kernel/mac80211/patches/326-brcmfmac-add-mapping-for-interface-index-to-bsscfg-i.patch')
-rw-r--r-- | package/kernel/mac80211/patches/326-brcmfmac-add-mapping-for-interface-index-to-bsscfg-i.patch | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/326-brcmfmac-add-mapping-for-interface-index-to-bsscfg-i.patch b/package/kernel/mac80211/patches/326-brcmfmac-add-mapping-for-interface-index-to-bsscfg-i.patch new file mode 100644 index 0000000000..8ddc0a6eef --- /dev/null +++ b/package/kernel/mac80211/patches/326-brcmfmac-add-mapping-for-interface-index-to-bsscfg-i.patch @@ -0,0 +1,92 @@ +From: Arend van Spriel <arend@broadcom.com> +Date: Wed, 26 Aug 2015 22:15:00 +0200 +Subject: [PATCH] brcmfmac: add mapping for interface index to bsscfg + index + +Because the P2P Device interface in firmware uses the same interface +index as the primary interface we use the bsscfg index as index in the +struct brcmf_pub::iflist. However, in the data path we get the interface +index and not the bsscfg index. So we need a mapping of interface index +to bsscfg index, which can be determined upon handle adding the interface. + +Reviewed-by: Hante Meuleman <meuleman@broadcom.com> +Reviewed-by: Franky (Zhenhui) Lin <frankyl@broadcom.com> +Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> +Signed-off-by: Arend van Spriel <arend@broadcom.com> +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/core.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/core.c +@@ -85,21 +85,20 @@ char *brcmf_ifname(struct brcmf_pub *drv + + struct brcmf_if *brcmf_get_ifp(struct brcmf_pub *drvr, int ifidx) + { ++ struct brcmf_if *ifp; ++ s32 bssidx; ++ + if (ifidx < 0 || ifidx >= BRCMF_MAX_IFS) { + brcmf_err("ifidx %d out of range\n", ifidx); + return NULL; + } + +- /* The ifidx is the idx to map to matching netdev/ifp. When receiving +- * events this is easy because it contains the bssidx which maps +- * 1-on-1 to the netdev/ifp. But for data frames the ifidx is rcvd. +- * bssidx 1 is used for p2p0 and no data can be received or +- * transmitted on it. Therefor bssidx is ifidx + 1 if ifidx > 0 +- */ +- if (ifidx) +- ifidx++; ++ ifp = NULL; ++ bssidx = drvr->if2bss[ifidx]; ++ if (bssidx >= 0) ++ ifp = drvr->iflist[bssidx]; + +- return drvr->iflist[ifidx]; ++ return ifp; + } + + static void _brcmf_set_multicast_list(struct work_struct *work) +@@ -831,6 +830,8 @@ struct brcmf_if *brcmf_add_if(struct brc + + ifp = netdev_priv(ndev); + ifp->ndev = ndev; ++ /* store mapping ifidx to bssidx */ ++ drvr->if2bss[ifidx] = bssidx; + } + + ifp->drvr = drvr; +@@ -855,6 +856,7 @@ static void brcmf_del_if(struct brcmf_pu + struct brcmf_if *ifp; + + ifp = drvr->iflist[bssidx]; ++ drvr->if2bss[ifp->ifidx] = -1; + drvr->iflist[bssidx] = NULL; + if (!ifp) { + brcmf_err("Null interface, idx=%d\n", bssidx); +@@ -862,6 +864,7 @@ static void brcmf_del_if(struct brcmf_pu + } + brcmf_dbg(TRACE, "Enter, idx=%d, ifidx=%d\n", bssidx, ifp->ifidx); + if (ifp->ndev) { ++ drvr->if2bss[ifp->ifidx] = -1; + if (bssidx == 0) { + if (ifp->ndev->netdev_ops == &brcmf_netdev_ops_pri) { + rtnl_lock(); +@@ -926,6 +929,7 @@ int brcmf_attach(struct device *dev) + if (!drvr) + return -ENOMEM; + ++ memset(drvr->if2bss, 0xFF, sizeof(drvr->if2bss)); + mutex_init(&drvr->proto_block); + + /* Link to bus module */ +--- a/drivers/net/wireless/brcm80211/brcmfmac/core.h ++++ b/drivers/net/wireless/brcm80211/brcmfmac/core.h +@@ -122,6 +122,7 @@ struct brcmf_pub { + struct mac_address addresses[BRCMF_MAX_IFS]; + + struct brcmf_if *iflist[BRCMF_MAX_IFS]; ++ s32 if2bss[BRCMF_MAX_IFS]; + + struct mutex proto_block; + unsigned char proto_buf[BRCMF_DCMD_MAXLEN]; |