diff options
| author | Tilman Schmidt <tilman@imap.cc> | 2010-07-05 16:19:04 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2010-07-08 01:57:53 +0200 |
| commit | 18c2259c14d8595e64a802940422335d172a53db (patch) | |
| tree | 7360e537084291688b0d8850db31a240158493f5 /drivers/isdn | |
| parent | isdn/gigaset: improve CAPI message debugging (diff) | |
| download | linux-18c2259c14d8595e64a802940422335d172a53db.tar.xz linux-18c2259c14d8595e64a802940422335d172a53db.zip | |
isdn/gigaset: handle Supplementary Service Listen
Add minimal handling for the non-optional CAPI FACILITY_REQ
Supplementary Service function Listen.
Impact: bugfix
Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/gigaset/capi.c | 27 |
1 files changed, 26 insertions, 1 deletions
diff --git a/drivers/isdn/gigaset/capi.c b/drivers/isdn/gigaset/capi.c index 68194b502731..3ef149fe48c8 100644 --- a/drivers/isdn/gigaset/capi.c +++ b/drivers/isdn/gigaset/capi.c @@ -45,6 +45,7 @@ #define CAPI_FACILITY_LI 0x0005 #define CAPI_SUPPSVC_GETSUPPORTED 0x0000 +#define CAPI_SUPPSVC_LISTEN 0x0001 /* missing from capiutil.h */ #define CAPIMSG_PLCI_PART(m) CAPIMSG_U8(m, 9) @@ -1151,7 +1152,7 @@ static void do_facility_req(struct gigaset_capi_ctr *iif, case CAPI_FACILITY_SUPPSVC: /* decode Function parameter */ pparam = cmsg->FacilityRequestParameter; - if (pparam == NULL || *pparam < 2) { + if (pparam == NULL || pparam[0] < 2) { dev_notice(cs->dev, "%s: %s missing\n", "FACILITY_REQ", "Facility Request Parameter"); send_conf(iif, ap, skb, CapiIllMessageParmCoding); @@ -1168,8 +1169,32 @@ static void do_facility_req(struct gigaset_capi_ctr *iif, /* Supported Services: none */ capimsg_setu32(confparam, 6, 0); break; + case CAPI_SUPPSVC_LISTEN: + if (pparam[0] < 7 || pparam[3] < 4) { + dev_notice(cs->dev, "%s: %s missing\n", + "FACILITY_REQ", "Notification Mask"); + send_conf(iif, ap, skb, + CapiIllMessageParmCoding); + return; + } + if (CAPIMSG_U32(pparam, 4) != 0) { + dev_notice(cs->dev, + "%s: unsupported supplementary service notification mask 0x%x\n", + "FACILITY_REQ", CAPIMSG_U32(pparam, 4)); + info = CapiFacilitySpecificFunctionNotSupported; + confparam[3] = 2; /* length */ + capimsg_setu16(confparam, 4, + CapiSupplementaryServiceNotSupported); + } + info = CapiSuccess; + confparam[3] = 2; /* length */ + capimsg_setu16(confparam, 4, CapiSuccess); + break; /* ToDo: add supported services */ default: + dev_notice(cs->dev, + "%s: unsupported supplementary service function 0x%04x\n", + "FACILITY_REQ", function); info = CapiFacilitySpecificFunctionNotSupported; /* Supplementary Service specific parameter */ confparam[3] = 2; /* length */ |