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