diff options
Diffstat (limited to '0001-brcmfmac-add-subtype-check-for-event-handling-in-dat.patch')
| -rw-r--r-- | 0001-brcmfmac-add-subtype-check-for-event-handling-in-dat.patch | 105 |
1 files changed, 0 insertions, 105 deletions
diff --git a/0001-brcmfmac-add-subtype-check-for-event-handling-in-dat.patch b/0001-brcmfmac-add-subtype-check-for-event-handling-in-dat.patch deleted file mode 100644 index 0f2eacbc9..000000000 --- a/0001-brcmfmac-add-subtype-check-for-event-handling-in-dat.patch +++ /dev/null @@ -1,105 +0,0 @@ -From a4176ec356c73a46c07c181c6d04039fafa34a9f Mon Sep 17 00:00:00 2001 -From: Arend van Spriel <arend.vanspriel@broadcom.com> -Date: Thu, 14 Feb 2019 13:43:48 +0100 -Subject: [PATCH] brcmfmac: add subtype check for event handling in data path - -For USB there is no separate channel being used to pass events -from firmware to the host driver and as such are passed over the -data path. In order to detect mock event messages an additional -check is needed on event subtype. This check is added conditionally -using unlikely() keyword. - -Reviewed-by: Hante Meuleman <hante.meuleman@broadcom.com> -Reviewed-by: Pieter-Paul Giesberts <pieter-paul.giesberts@broadcom.com> -Reviewed-by: Franky Lin <franky.lin@broadcom.com> -Signed-off-by: Arend van Spriel <arend.vanspriel@broadcom.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - .../wireless/broadcom/brcm80211/brcmfmac/core.c | 5 +++-- - .../wireless/broadcom/brcm80211/brcmfmac/fweh.h | 16 ++++++++++++---- - .../broadcom/brcm80211/brcmfmac/msgbuf.c | 2 +- - 3 files changed, 16 insertions(+), 7 deletions(-) - -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c -index e772c0845638..a368ba6e7344 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/core.c -@@ -519,7 +519,8 @@ void brcmf_rx_frame(struct device *dev, struct sk_buff *skb, bool handle_event) - } else { - /* Process special event packets */ - if (handle_event) -- brcmf_fweh_process_skb(ifp->drvr, skb); -+ brcmf_fweh_process_skb(ifp->drvr, skb, -+ BCMILCP_SUBTYPE_VENDOR_LONG); - - brcmf_netif_rx(ifp, skb); - } -@@ -536,7 +537,7 @@ void brcmf_rx_event(struct device *dev, struct sk_buff *skb) - if (brcmf_rx_hdrpull(drvr, skb, &ifp)) - return; - -- brcmf_fweh_process_skb(ifp->drvr, skb); -+ brcmf_fweh_process_skb(ifp->drvr, skb, 0); - brcmu_pkt_buf_free_skb(skb); - } - -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h -index 31f3e8e83a21..7027243db17e 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/fweh.h -@@ -211,7 +211,7 @@ enum brcmf_fweh_event_code { - */ - #define BRCM_OUI "\x00\x10\x18" - #define BCMILCP_BCM_SUBTYPE_EVENT 1 -- -+#define BCMILCP_SUBTYPE_VENDOR_LONG 32769 - - /** - * struct brcm_ethhdr - broadcom specific ether header. -@@ -334,10 +334,10 @@ void brcmf_fweh_process_event(struct brcmf_pub *drvr, - void brcmf_fweh_p2pdev_setup(struct brcmf_if *ifp, bool ongoing); - - static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, -- struct sk_buff *skb) -+ struct sk_buff *skb, u16 stype) - { - struct brcmf_event *event_packet; -- u16 usr_stype; -+ u16 subtype, usr_stype; - - /* only process events when protocol matches */ - if (skb->protocol != cpu_to_be16(ETH_P_LINK_CTL)) -@@ -346,8 +346,16 @@ static inline void brcmf_fweh_process_skb(struct brcmf_pub *drvr, - if ((skb->len + ETH_HLEN) < sizeof(*event_packet)) - return; - -- /* check for BRCM oui match */ - event_packet = (struct brcmf_event *)skb_mac_header(skb); -+ -+ /* check subtype if needed */ -+ if (unlikely(stype)) { -+ subtype = get_unaligned_be16(&event_packet->hdr.subtype); -+ if (subtype != stype) -+ return; -+ } -+ -+ /* check for BRCM oui match */ - if (memcmp(BRCM_OUI, &event_packet->hdr.oui[0], - sizeof(event_packet->hdr.oui))) - return; -diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c -index 4e8397a0cbc8..ee922b052561 100644 ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/msgbuf.c -@@ -1116,7 +1116,7 @@ static void brcmf_msgbuf_process_event(struct brcmf_msgbuf *msgbuf, void *buf) - - skb->protocol = eth_type_trans(skb, ifp->ndev); - -- brcmf_fweh_process_skb(ifp->drvr, skb); -+ brcmf_fweh_process_skb(ifp->drvr, skb, 0); - - exit: - brcmu_pkt_buf_free_skb(skb); --- -2.20.1 - |