Message ID | 20220803213644.277534-3-prestwoj@gmail.com (mailing list archive) |
---|---|
State | Not Applicable, archived |
Headers | show |
Series | [v2,01/13] wiphy: fix runtime error from bit shift | expand |
Context | Check | Description |
---|---|---|
tedd_an/pre-ci_am | success | Success |
prestwoj/iwd-ci-gitlint | success | GitLint |
Hi James, On 8/3/22 16:36, James Prestwood wrote: > A helper function to parse supported and disabled frequencies. > --- > src/nl80211util.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ > src/nl80211util.h | 4 ++++ > 2 files changed, 49 insertions(+) > <snip> > +int nl80211_parse_supported_frequencies(struct l_genl_attr *band_freqs, > + struct scan_freq_set *supported_list, > + struct scan_freq_set *disabled_list) > +{ > + uint16_t type, len; > + const void *data; > + struct l_genl_attr attr; > + struct l_genl_attr nested; > + > + if (!l_genl_attr_recurse(band_freqs, &nested)) > + return -EBADMSG; > + > + while (l_genl_attr_next(&nested, NULL, NULL, NULL)) { > + uint32_t freq = 0; > + bool disabled = false; > + > + if (!l_genl_attr_recurse(&nested, &attr)) > + continue; > + > + while (l_genl_attr_next(&attr, &type, &len, &data)) { > + I squished this empty line when applying. > + switch (type) { > + case NL80211_FREQUENCY_ATTR_FREQ: > + freq = *((uint32_t *) data); > + break; > + case NL80211_FREQUENCY_ATTR_DISABLED: > + disabled = true; > + break; > + } > + } > + Patches 1-5 applied, thanks. Regards, -Denis
diff --git a/src/nl80211util.c b/src/nl80211util.c index 9092b204..78470014 100644 --- a/src/nl80211util.c +++ b/src/nl80211util.c @@ -32,6 +32,7 @@ #include "src/nl80211util.h" #include "src/band.h" +#include "src/util.h" typedef bool (*attr_handler)(const void *data, uint16_t len, void *o); @@ -484,3 +485,47 @@ int nl80211_parse_chandef(struct l_genl_msg *msg, struct band_chandef *out) memcpy(out, &t, sizeof(t)); return 0; } + +int nl80211_parse_supported_frequencies(struct l_genl_attr *band_freqs, + struct scan_freq_set *supported_list, + struct scan_freq_set *disabled_list) +{ + uint16_t type, len; + const void *data; + struct l_genl_attr attr; + struct l_genl_attr nested; + + if (!l_genl_attr_recurse(band_freqs, &nested)) + return -EBADMSG; + + while (l_genl_attr_next(&nested, NULL, NULL, NULL)) { + uint32_t freq = 0; + bool disabled = false; + + if (!l_genl_attr_recurse(&nested, &attr)) + continue; + + while (l_genl_attr_next(&attr, &type, &len, &data)) { + + switch (type) { + case NL80211_FREQUENCY_ATTR_FREQ: + freq = *((uint32_t *) data); + break; + case NL80211_FREQUENCY_ATTR_DISABLED: + disabled = true; + break; + } + } + + if (!freq) + continue; + + if (supported_list) + scan_freq_set_add(supported_list, freq); + + if (disabled && disabled_list) + scan_freq_set_add(disabled_list, freq); + } + + return 0; +} diff --git a/src/nl80211util.h b/src/nl80211util.h index 01777195..1d32b700 100644 --- a/src/nl80211util.h +++ b/src/nl80211util.h @@ -23,6 +23,7 @@ #include <ell/ell.h> struct band_chandef; +struct scan_freq_set; int nl80211_parse_attrs(struct l_genl_msg *msg, int tag, ...); @@ -55,3 +56,6 @@ struct l_genl_msg *nl80211_build_cmd_frame(uint32_t ifindex, size_t iov_len); int nl80211_parse_chandef(struct l_genl_msg *msg, struct band_chandef *out); +int nl80211_parse_supported_frequencies(struct l_genl_attr *band_freqs, + struct scan_freq_set *supported, + struct scan_freq_set *disabled);